Operating Segments (Details) 2 (USD $)	3 Months Ended
Feb. 28, 2015	Mar. 01, 2014
Operating Segments Abstract
Segment operating income	$ 21,373,000us-gaap_OperatingIncomeLoss	$ 36,246,000us-gaap_OperatingIncomeLoss
Special charges, net	(2,361,000)us-gaap_OtherNonrecurringIncomeExpense	(11,734,000)us-gaap_OtherNonrecurringIncomeExpense
Other Operating Income (Expense), Net	363,000us-gaap_OtherOperatingIncomeExpenseNet	(1,050,000)us-gaap_OtherOperatingIncomeExpenseNet
Interest expense	(6,102,000)us-gaap_InterestExpenseDebt	(4,126,000)us-gaap_InterestExpenseDebt
Income from continuing operations before income taxes and income from equity method investments	$ 13,273,000	$ 19,336,000

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(h)(1)(i))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 5

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Balance Type:	debit
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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

Amount of other expense (income) that is infrequent in occurrence or unusual in nature.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 20

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15122-107781

+ Details

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- Definition

The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.

+ References

No definition available.

+ Details

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