| **Derivatives And Fair Value Measurements (Narrative) (Details) (USD $)** | Mar. 30, 2013 | Jan. 01, 2011Y | Jun. 28, 2008 | Apr. 08, 2011Treasury Rate Lock Hedge Contracts [Member] | Mar. 30, 2013Interest Rate Swaps [Member] | Sep. 29, 2012Interest Rate Swaps [Member] | Jun. 28, 2008Interest Rate Swaps [Member] | Jun. 28, 2008First Interest Rate Swaps Contracts [Member]Rate | Jun. 28, 2008Second Interest Rate Swaps Contracts [Member]Rate | Jun. 28, 2008Third Interest Rate Swaps Contracts [Member]Rate | Mar. 30, 2013Malaysian Operations [Member]Forward Contracts [Member] | Sep. 29, 2012Malaysian Operations [Member]Forward Contracts [Member] | Mar. 30, 2013Senior Notes [Member] | Sep. 29, 2012Senior Notes [Member] |
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| **Derivatives And Fair Value Measurements [Line Items]**                  |          |           |          |                                                     |                                      |                                      |                                      |                                                          |                                                           |                                                          |                                                                 |                                                                 |                               |                               |
| Senior Notes                                                              |          |           |          |                                                     |                                      |                                      |                                      |                                                          |                                                           |                                                          |                                                                 |                                                                 | $ 175,000,000                      | $ 175,000,000                      |
| Notional amount of forward exchange contracts                             |          |           |          |                                                     |                                      |                                      |                                      |                                                          |                                                           |                                                          | 49,500,000                                                           |                                                                 |                               |                               |
| Foreign Currency Contract, Asset, Fair Value Disclosure                   |          |           |          |                                                     |                                      |                                      |                                      |                                                          |                                                           |                                                          | 400,000                                                              | 1,100,000                                                            |                               |                               |
| Proceeds from settlement of treasury rate lock contracts                  |          |           |          | 2,300,000                                                |                                      |                                      |                                      |                                                          |                                                           |                                                          |                                                                 |                                                                 |                               |                               |
| Amortization period of treasury rate lock settlement, years               |          | 7              |          |                                                     |                                      |                                      |                                      |                                                          |                                                           |                                                          |                                                                 |                                                                 |                               |                               |
| Fixed interest rate                                                       |          |           |          |                                                     |                                      |                                      |                                      | 4.415%                                                        | 4.49%                                                          | 4.435%                                                        |                                                                 |                                                                 |                               |                               |
| Notional amount of interest rate swap contracts                           |          |           |          |                                                     |                                      |                                      | 150,000,000                               |                                                          |                                                           |                                                          |                                                                 |                                                                 |                               |                               |
| Conversion of variable rate term loan into fixed rate debt                |          |           | 150,000,000   |                                                     |                                      |                                      |                                      |                                                          |                                                           |                                                          |                                                                 |                                                                 |                               |                               |
| Interest Rate Cash Flow Hedge Derivative at Fair Value, Net               |          |           |          |                                                     | (100,000)                                 | (1,700,000)                               |                                      |                                                          |                                                           |                                                          |                                                                 |                                                                 |                               |                               |
| Notional Amount of Interest Rate Cash Flow Hedge Derivatives              | $ 75,000,000  |           |          |                                                     |                                      |                                      |                                      |                                                          |                                                           |                                                          |                                                                 |                                                                 |                               |                               |

| X                                                                                                                                                                                                                                                                                    |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amortization period of treasury rate lock settlement
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Conversion Of Variable Rate Term Loan Into Fixed Rate Debt
+ References
No definition available.
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| X                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Proceeds From Treasury Rate Lock Settlement
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                             |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fixed interest rate related to the interest rate derivative.
+ References
No definition available.
+ Details**Name:**us-gaap_DerivativeFixedInterestRate**Namespace Prefix:**us-gaap_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents contracts related to the exchange of different currencies, including foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into and existing as of the balance sheet date.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value as of the balance sheet date of all interest rate derivatives designated as cash flow hedging instruments.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 17 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.  This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Aggregate notional amount of foreign currency derivatives to purchase a foreign currency. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Aggregate notional amount of all interest rate derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the monetary amount specified in the interest rate derivative contract.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Aggregate notional amount of interest rate derivatives, which relates to the currency amount specified in the interest rate derivative instruments.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.
+ References
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