Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands					2 Months Ended	3 Months Ended	12 Months Ended
	Feb. 29, 2020	Nov. 30, 2019	Dec. 30, 2018	Nov. 30, 2018	Feb. 18, 2020	Feb. 29, 2020	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2017
Common Stock, Dividends, Per Share, Cash Paid							$ 0.42	$ 0.34	$ 0.28
Number of Shares, beginning of year					470,424		470,424	470,424	470,424
Number of Shares, end of year			470,424				470,424	470,424	470,424
Stockholders' Equity Activity
Number of Shares at beginning of year					245,535		239,191
Number of Shares at end of year			239,191				245,535	239,191
Preferred Stock, Shares Authorized			100,000				100,000	100,000	100,000
Preferred Stock, Shares Issued			0				0	0	0
February 2019 Share Repurchase Program
Stockholders' Equity Activity
Stock Repurchase Program, Authorized Amount										$ 225,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount							$ 43,772
February 2019 Share Repurchase Program | Subsequent Event
Stockholders' Equity Activity
Repurchases of common stock					1,312
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions					$ 28,770
Stock Repurchase Program, Cost Incurred					$ 18
February 2020 Share Repurchase Program | Subsequent Event
Stockholders' Equity Activity
Stock Repurchase Program, Authorized Amount	$ 100,000					$ 100,000
2019 Accelerated Share Repurchase Program
Stockholders' Equity Activity
Repurchases of common stock		4,051
Stock Repurchase Program, Authorized Amount		$ 100,000
Initial Shares Delivered Under ASR Agreement Percentage		85.00%
2019 Accelerated Share Repurchase Program | Subsequent Event
Stockholders' Equity Activity
Repurchases of common stock	628					4,679
Treasury Stock Acquired, Average Cost Per Share						$ 21.37
November 2018 and February 2019 Share Repurchase Programs
Stockholders' Equity Activity
Repurchases of common stock							6,107
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions							$ 117,685
Stock Repurchase Program, Repurchase Accrual							1,801
Stock Repurchase Program, Cost Incurred							$ 86
November 2018 Share Repurchase Program
Stockholders' Equity Activity
Stock Repurchase Program, Authorized Amount				$ 220,000
February 2018 Share Repurchase Program
Stockholders' Equity Activity
Stock Repurchase Program, Authorized Amount											$ 175,000
2018 Accelerated Share Repurchase Program
Stockholders' Equity Activity
Repurchases of common stock			720	3,645
Stock Repurchase Program, Authorized Amount				$ 75,000
Initial Shares Delivered Under ASR Agreement Percentage				85.00%
February and November 2018 Share Repurchase Programs
Stockholders' Equity Activity
Repurchases of common stock								10,058
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions								$ 172,584
Stock Repurchase Program, Repurchase Accrual			$ 1,827					1,827
Stock Repurchase Program, Cost Incurred								$ 141
February 2017 Share Repurchase Program
Stockholders' Equity Activity
Repurchases of common stock								1,385	8,607
Stock Repurchase Program, Authorized Amount												$ 150,000
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions								$ 22,633	$ 127,367
Stock Repurchase Program, Repurchase Accrual									1,259
Stock Repurchase Program, Cost Incurred								$ 19	$ 123
Common Stock Held in Treasury
Stockholders' Equity Activity
Number of Shares at beginning of year					245,535		239,191	229,912	223,850
Repurchases of common stock							10,158	15,808	8,607
Common shares issued, stock options, net							(2,912)	(5,824)	(1,853)
Common shares issued, restricted stock, net							(834)	(627)	(612)
Common shares issued, Director fees							(14)	(15)	(15)
Common shares issued, Other							(54)	(63)	(65)
Number of Shares at end of year			239,191				245,535	239,191	229,912