Stock-Based Compensation (Summary of Stock Option Activity) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Nov. 30, 2016 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Options outstanding, number of shares, beginning of year | shares	734
Granted, number of shares | shares	0
Exercised, number of shares | shares	(260)
Canceled, number of shares | shares	(57)
Options outstanding, number of shares, end of year | shares	417
Exercisable, November 30, 2016, number of shares | shares	417
Vested or expected to vest, November 30, 2016, number of shares | shares	417
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Options outstanding, weighted average exercise price, beginning of year (in dollars per share) | $ / shares	$ 22.35
Granted, weighted average exercise price (in dollars per share) | $ / shares	0.00
Exercised, weighted average exercise price (in dollars per share) | $ / shares	18.27
Canceled, weighted average exercise price (in dollars per share) | $ / shares	29.44
Options outstanding, weighted average exercise price, end of year (in dollars per share) | $ / shares	24.10
Exercisable, November 30, 2016, weighted average exercise price (in dollars per share) | $ / shares	24.10
Vested or expected to vest, November 30, 2016, weighted average exercise price (in dollars per share) | $ / shares	$ 24.10
Options Outstanding November 30, 2016, weighted average remaining contractual term (in years)	1 year 8 months 16 days
Exercisable, November 30, 2016 weighted average remaining contractual term (in years)	1 year 8 months 16 days
Vested or expected to vest, November 30, 2016, weighted average remaining contractual term (in years)	1 year 8 months 16 days
Options outstanding, November 30, 2016, aggregate intrinsic value | $	$ 2,291
Exercisable, November 30, 2016, aggregate intrinsic value | $	2,291
Vested or expected to vest, November 30, 2016, aggregate intrinsic value | $	$ 2,291