Incentive Plans and Stock-Based Compensation (Summary of Stock Option Activity) (Details) - $ / shares	12 Months Ended
	Dec. 03, 2016	Nov. 28, 2015	Nov. 29, 2014
Stock Option Activity in Shares
Outstanding at end of year (in shares)	1,876,803
Exercisable at end of year (in shares)	1,191,300
Weighted Average Exercise Prices
Weighted Average Exercise Price - Outstanding End of Period (in dollars per share)	$ 50.52
Weighted Average Exercise Price - Exercisable (in dollars per share)	$ 48.39
Stock Options [Member]
Stock Option Activity in Shares
Outstanding at beginning of year (in shares)	2,422,538	2,310,720	2,208,314
Granted (in shares)	296,500	314,000	450,700
Exercised (in shares)	(782,237)	(179,071)	(322,473)
Surrendered (in shares)	(59,998)	(23,111)	(25,821)
Outstanding at end of year (in shares)	1,876,803	2,422,538	2,310,720
Exercisable at end of year (in shares)	1,191,300	1,584,513	1,409,359
Weighted Average Exercise Prices
Weighted Average Exercise Price - Outstanding Beginning of Year (in dollars per share)	$ 48.46	$ 45.71	$ 40.76
Weighted Average Exercise Price - Granted (in dollars per share)	46.45	63.09	61.49
Weighted Average Exercise Price - Exercised (in dollars per share)	42.34	37.99	33.30
Weighted Average Exercise Price - Surrendered (in dollars per share)	53.94	53.09	52.47
Weighted Average Exercise Price - Outstanding End of Period (in dollars per share)	50.52	48.46	45.71
Weighted Average Exercise Price - Exercisable (in dollars per share)	$ 48.39	$ 43.44	$ 40.70