Stockholders' Equity Repurchases of Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands			3 Months Ended
	Feb. 29, 2020	Nov. 30, 2019	Mar. 29, 2020	Feb. 29, 2020	Mar. 31, 2019	Feb. 28, 2019	Nov. 30, 2018
February 2020 Share Repurchase Program
Equity, Class of Treasury Stock
Stock Repurchase Program, Authorized Amount	$ 100,000			$ 100,000
Treasury Stock, Shares, Acquired			779
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions			$ 14,537
Stock Repurchase Program, Cost Incurred			11
Stock Repurchase Program, Remaining Authorized Repurchase Amount			$ 85,463
February 2019 Share Repurchase Program
Equity, Class of Treasury Stock
Stock Repurchase Program, Authorized Amount						$ 225,000
Treasury Stock, Shares, Acquired			1,312
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions			$ 28,770
Stock Repurchase Program, Cost Incurred			$ 18
2019 Accelerated Share Repurchase Program
Equity, Class of Treasury Stock
Stock Repurchase Program, Authorized Amount		$ 100,000
Treasury Stock, Shares, Acquired	628	4,051		4,679
Initial Shares Delivered Under ASR Agreement Percentage		85.00%
Treasury Stock Acquired, Average Cost Per Share				$ 21.37
November 2018 and February 2019 Share Repurchase Programs
Equity, Class of Treasury Stock
Stock Repurchase Program, Authorized Amount							$ 220,000
Treasury Stock, Shares, Acquired					1,744
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions					$ 29,345
Stock Repurchase Program, Cost Incurred					25
Stock Repurchase Program, Repurchase Accrual					$ 268