Incentive Plans and Stock-Based Compensation (Summary of Stock Option Activity) (Details) - $ / shares	12 Months Ended
	Nov. 28, 2015	Nov. 29, 2014	Nov. 30, 2013
Stock Option Activity in Shares
Outstanding at end of year (in shares)	2,422,538
Exercisable at end of year (in shares)	1,584,513
Weighted Average Exercise Prices
Weighted Average Exercise Price - Outstanding End of Period (in dollars per share)	$ 48.46
Weighted Average Exercise Price - Exercisable (in dollars per share)	$ 43.44
Stock Options [Member]
Stock Option Activity in Shares
Outstanding at beginning of year (in shares)	2,310,720	2,208,314	3,037,151
Granted (in shares)	314,000	450,700	387,500
Exercised (in shares)	(179,071)	(322,473)	(1,191,752)
Surrendered (in shares)	(23,111)	(25,821)	(24,585)
Outstanding at end of year (in shares)	2,422,538	2,310,720	2,208,314
Exercisable at end of year (in shares)	1,584,513	1,409,359	1,413,100
Weighted Average Exercise Prices
Weighted Average Exercise Price - Outstanding Beginning of Year (in dollars per share)	$ 45.71	$ 40.76	$ 36.09
Weighted Average Exercise Price - Granted (in dollars per share)	63.09	61.49	45.25
Weighted Average Exercise Price - Exercised (in dollars per share)	37.99	33.30	30.30
Weighted Average Exercise Price - Surrendered (in dollars per share)	53.09	52.47	42.48
Weighted Average Exercise Price - Outstanding End of Period (in dollars per share)	48.46	45.71	40.76
Weighted Average Exercise Price - Exercisable (in dollars per share)	$ 43.44	$ 40.70	$ 38.19