Earnings Per Share and Stock Repurchase Activity (Calculation of Stock Repurchase Activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 03, 2016	Nov. 28, 2015	Nov. 29, 2014
Earnings Per Share and Stock Repurchase Activity [Abstract]
Number of antidilutive options with exercise prices greater than the average market price excluded from the computation of dilutive earnings per share (in shares)	728,352	733,413	441,033
Common stock repurchased and retired pursuant to the Company's stock repurchase program (in USD)	$ 73,901	$ 70,777	$ 32,822
Number of shares repurchased and retired pursuant to the Company's stock repurchase program( in shares)	1,385,401	1,331,941	535,703