Incentive Plans and Stock-Based Compensation (Stock Options Range of Exercise Prices) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Nov. 28, 2015 USD ($) $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding - Number (in shares) | shares	2,422,538
Options Outstanding - Weighted Average Exercise Price (in dollars per share)	$ 48.46
Options Outstanding - Intrinsic Value | $	$ 17,032
Options Outstanding - Weighted Average Remaining Life (in years)	6 years 2 months 23 days
Options Exercisable - Number (in shares) | shares	1,584,513
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 43.44
Options Exercisable - Intrinsic Value | $	$ 15,635
Options Exercisable - Weighted Average Remaining Life (in years)	5 years 1 month 28 days
$25.31 - $28.13 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, upper range limit (in dollars per share)	$ 25.31
Exercise price range, lower range limit (in dollars per share)	$ 28.13
Options Outstanding - Number (in shares) | shares	32,000
Options Outstanding - Weighted Average Exercise Price (in dollars per share)	$ 25.49
Options Outstanding - Intrinsic Value | $	$ 866
Options Outstanding - Weighted Average Remaining Life (in years)	3 years 2 months 1 day
Options Exercisable - Number (in shares) | shares	32,000
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 25.49
Options Exercisable - Intrinsic Value | $	$ 866
Options Exercisable - Weighted Average Remaining Life (in years)	3 years 2 months 1 day
$31.96 - $36.48 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, upper range limit (in dollars per share)	$ 31.96
Exercise price range, lower range limit (in dollars per share)	$ 36.48
Options Outstanding - Number (in shares) | shares	454,196
Options Outstanding - Weighted Average Exercise Price (in dollars per share)	$ 33.67
Options Outstanding - Intrinsic Value | $	$ 8,582
Options Outstanding - Weighted Average Remaining Life (in years)	2 years 8 months 12 days
Options Exercisable - Number (in shares) | shares	454,196
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 33.67
Options Exercisable - Intrinsic Value | $	$ 8,582
Options Exercisable - Weighted Average Remaining Life (in years)	2 years 8 months 12 days
$42.86 - $49.91 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, upper range limit (in dollars per share)	$ 42.86
Exercise price range, lower range limit (in dollars per share)	$ 49.91
Options Outstanding - Number (in shares) | shares	1,199,667
Options Outstanding - Weighted Average Exercise Price (in dollars per share)	$ 46.24
Options Outstanding - Intrinsic Value | $	$ 7,584
Options Outstanding - Weighted Average Remaining Life (in years)	6 years 2 months 5 days
Options Exercisable - Number (in shares) | shares	967,394
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 46.16
Options Exercisable - Intrinsic Value | $	$ 6,187
Options Exercisable - Weighted Average Remaining Life (in years)	5 years 11 months 23 days
$55.01 - $63.22 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range, upper range limit (in dollars per share)	$ 55.01
Exercise price range, lower range limit (in dollars per share)	$ 63.22
Options Outstanding - Number (in shares) | shares	736,675
Options Outstanding - Weighted Average Exercise Price (in dollars per share)	$ 62.21
Options Outstanding - Intrinsic Value | $	$ 0
Options Outstanding - Weighted Average Remaining Life (in years)	8 years 7 months 10 days
Options Exercisable - Number (in shares) | shares	130,923
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 61.60
Options Exercisable - Intrinsic Value | $	$ 0
Options Exercisable - Weighted Average Remaining Life (in years)	8 years 1 month 17 days