Special Charges (Details) - USD ($)	3 Months Ended		9 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 29, 2015	Aug. 30, 2014
Special Charges Details [Abstract]
Professional Services	$ (48,000)	$ (1,864,000)	$ (595,000)	$ (6,150,000)
Other related costs	10,000	(1,732,000)	(312,000)	(7,308,000)
Workforce reduction costs	(216,000)	55,000	(2,000)	(2,903,000)
Loss (gain) on foreign currency forward contract			(8,546,000)
Facility exit costs	(1,043,000)	(8,802,000)	(3,683,000)	(21,254,000)
Special charges, net	1,297,000	12,343,000	4,592,000	37,615,000
Restructuring costs [Line Items]
Non-cash charges	448,000	1,462,000	1,264,000	4,631,000
Restructuring Charges [Line Items]
Cash payments	$ 595,000	$ 7,340,000	$ 2,419,000	$ 16,623,000