Note 6 - Special Charges, Net (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Feb. 27, 2016	Feb. 28, 2015
Business Integration Project [Member]
Other Nonrecurring (Income) Expense	$ 413	$ 2,361
Other Nonrecurring (Income) Expense	$ 413	$ 2,361

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

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

Name:	us-gaap_OtherNonrecurringIncomeExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration