Earnings Per Share (Details) - $ / shares	3 Months Ended		9 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 29, 2015	Aug. 30, 2014
Earnings Per Share Antidilutive Shares [Line Items]
Antidilutive shares not used in calculating diluted earnings per share calculations	1,533,690	416,544	806,307	410,278
Antidilutive Weighted Average Share Price Excluded From Computation Of Earnings Per Share Amount	$ 42.88	$ 48.89	$ 44.97	$ 48.93
Earnings Per Share Reconciliation [Line Items]
Weighted-average common shares - basic	50,421,000	50,053,000	50,318,000	49,973,000
Equivalent Shares From Share Based Compensations Plans	1,109,000	1,244,000	1,142,000	1,269,000
Weighted-average common and common equivalent shares - diluted	51,530,000	51,297,000	51,460,000	51,242,000