| **Pension and Other Postretirement Plans (Actual Plan Asset Allocations) (Details) - Pension Plan [Member]** | Nov. 28, 2015 | Nov. 29, 2014 |
|--------------------------------------------------------------------------------------------------------------|---------------|---------------|
| **Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]**                                |          |          |
| Actual plan asset allocations                                                                                | 100.00%       | 100.00%       |
| Equity Securities [Member]                                                                                   |          |          |
| **Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]**                                |          |          |
| Actual plan asset allocations                                                                                | 40.30%        | 39.90%        |
| Debt Securities [Member]                                                                                     |          |          |
| **Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]**                                |          |          |
| Actual plan asset allocations                                                                                | 59.20%        | 59.50%        |
| Real estate funds [Member]                                                                                   |          |          |
| **Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]**                                |          |          |
| Actual plan asset allocations                                                                                | 0.00%         | 0.00%         |
| Cash and equivalents [Member]                                                                                |          |          |
| **Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]**                                |          |          |
| Actual plan asset allocations                                                                                | 0.50%         | 0.60%         |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e2446-114920Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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| X                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| X                                                                                                                                                                                |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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