Employee Benefit Plans (Details) (USD $)	3 Months Ended		9 Months Ended
	Aug. 28, 2011	Aug. 29, 2010	Aug. 28, 2011	Aug. 29, 2010
Pension Benefits, U.S. Plan [Member]
Net Pension and Postretirement Costs [Abstract]
Service cost	$ 942,000	$ 908,000	$ 2,826,000	$ 2,724,000
Interest cost	2,841,000	2,908,000	8,523,000	8,724,000
Expected return on plan assets	(3,098,000)	(2,844,000)	(9,294,000)	(8,532,000)
Amortization of unrecognized prior service cost	11,000	13,000	33,000	39,000
Curtailment	0	1,000	0	3,000
Amortization of unrecognized net transition obligation	0	0	0	0
Amortization of accumulated loss	2,495,000	2,685,000	7,485,000	8,055,000
Net periodic cost	3,191,000	3,671,000	9,573,000	11,013,000
Company contributions to pension plans			9,100,000
Estimated company contributions to pension plans during the remainder of 2011	2,300,000		2,300,000
Pension Benefits, Non-U.S. Plans [Member]
Net Pension and Postretirement Costs [Abstract]
Service cost	92,000	94,000	276,000	282,000
Interest cost	568,000	564,000	1,704,000	1,692,000
Expected return on plan assets	(483,000)	(398,000)	(1,449,000)	(1,194,000)
Amortization of unrecognized prior service cost	50,000	69,000	150,000	207,000
Curtailment	0	0	0	0
Amortization of unrecognized net transition obligation	0	0	0	0
Amortization of accumulated loss	4,000	(35,000)	12,000	(105,000)
Net periodic cost	231,000	294,000	693,000	882,000
Company contributions to pension plans			377,000
Estimated company contributions to pension plans during the remainder of 2011	1,000,000		1,000,000
U.S. Postretirement Benefits [Member]
Net Pension and Postretirement Costs [Abstract]
Service cost	18,000	21,000	54,000	63,000
Interest cost	56,000	52,000	168,000	156,000
Expected return on plan assets	(6,000)	(7,000)	(18,000)	(21,000)
Amortization of unrecognized prior service cost	14,000	5,000	42,000	15,000
Curtailment	0	0	0	0
Amortization of unrecognized net transition obligation	12,000	12,000	36,000	36,000
Amortization of accumulated loss	27,000	6,000	81,000	18,000
Net periodic cost	$ 121,000	$ 89,000	$ 363,000	$ 267,000