Operating Segments (Details) 2 - USD ($)	3 Months Ended		9 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 29, 2015	Aug. 30, 2014
Operating Segments Abstract
Segment operating income	$ 48,543,000	$ 28,375,000	$ 118,271,000	$ 110,904,000
Special charges, net	(1,297,000)	(12,343,000)	(4,592,000)	(37,615,000)
Asset impairment charges	0	0	0	0
Other Operating Income (Expense), Net	(1,040,000)	(289,000)	(1,246,000)	(1,543,000)
Interest expense	(6,448,000)	(5,292,000)	(18,765,000)	(14,178,000)
Income from continuing operations before income taxes and income from equity method investments	$ 39,758,000	$ 10,451,000	$ 93,668,000	$ 57,568,000