Pension and Postretirement Benefits (Details) 2 (USD $) In Thousands, unless otherwise specified	Dec. 03, 2011	Nov. 27, 2010
Statement of financial position as of fiscal year-end [Abstract]
Non-current liabilities	$ (41,166)	$ (42,788)
Pension Benefits US Plans [Member]
Amounts in accumulated other comprehensive income that have not been recognized as components of net periodic benefit cost [Abstract]
Unrecognized actuarial loss	125,367	113,377
Unrecognized prior service cost (benefit)	346	68
Ending balance	125,713	113,445
Statement of financial position as of fiscal year-end [Abstract]
Non-current assets	0	5,386
Current liabilities	(1,500)	(1,497)
Non-current liabilities	(20,587)	(17,806)
Ending balance	(22,087)	(13,917)
Pension Benefits Foreign Pension Plans [Member]
Amounts in accumulated other comprehensive income that have not been recognized as components of net periodic benefit cost [Abstract]
Unrecognized actuarial loss	60,910	59,790
Unrecognized prior service cost (benefit)	(30)	(34)
Ending balance	60,880	59,756
Statement of financial position as of fiscal year-end [Abstract]
Non-current assets	4,147	0
Current liabilities	(733)	(681)
Non-current liabilities	(16,549)	(17,804)
Ending balance	(13,135)	(18,485)
Accumulated benefit obligation	129,166	132,953
Other Postretirement [Member]
Amounts in accumulated other comprehensive income that have not been recognized as components of net periodic benefit cost [Abstract]
Unrecognized actuarial loss	48,761	54,875
Unrecognized prior service cost (benefit)	(15,145)	(19,838)
Ending balance	33,616	35,037
Statement of financial position as of fiscal year-end [Abstract]
Non-current assets	0	0
Current liabilities	(313)	(279)
Non-current liabilities	(16,147)	(20,082)
Ending balance	(16,460)	(20,361)
United States Pension Plans And Other Postretirement Benefit Plans Of U S Entity Defined Benefit [Member]
Statement of financial position as of fiscal year-end [Abstract]
Accumulated benefit obligation	$ 365,117	$ 347,648