| **Restructuring (Schedule of Restructuring and Exit Costs) (Details) (USD $)In Thousands, unless otherwise specified** | 12 Months Ended |
|------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| 2012 Restructuring Plan                                                                                                |            |
| **Restructuring Cost and Reserve [Line Items]**                                                                        |            |
| Restructuring and exit costs incurred                                                                                  | $ 2,521         |
| 2012 Restructuring Plan | Employee severance                                                                           |            |
| **Restructuring Cost and Reserve [Line Items]**                                                                        |            |
| Restructuring and exit costs incurred                                                                                  | 2,229           |
| 2012 Restructuring Plan | Fixed asset valuation adjustments, net                                                       |            |
| **Restructuring Cost and Reserve [Line Items]**                                                                        |            |
| Restructuring and exit costs incurred                                                                                  | 292             |
| 2008 Restructuring Plan                                                                                                |            |
| **Restructuring Cost and Reserve [Line Items]**                                                                        |            |
| Restructuring and exit costs incurred to date                                                                          | 16,460          |
| 2008 Restructuring Plan | Employee severance                                                                           |            |
| **Restructuring Cost and Reserve [Line Items]**                                                                        |            |
| Restructuring and exit costs incurred to date                                                                          | 6,292           |
| 2008 Restructuring Plan | Facility consolidation and shut-down costs                                                   |            |
| **Restructuring Cost and Reserve [Line Items]**                                                                        |            |
| Restructuring and exit costs incurred to date                                                                          | 6,943           |
| 2008 Restructuring Plan | Fixed asset valuation adjustments, net                                                       |            |
| **Restructuring Cost and Reserve [Line Items]**                                                                        |            |
| Restructuring and exit costs incurred to date                                                                          | $ 3,225         |

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| - Definition
Amount of costs incurred to date for the specified type of restructuring cost.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 146 -Paragraph 20 -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.Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 95-3 -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.Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=6394695&loc=d3e140904-122747Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 146 -Paragraph 20 -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.Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 95-3 -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.Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869
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| X                                                                                                                                                                        |
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