CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Total
Balance at Jan. 01, 2013	$ 878	$ 508,130	$ 902,532	$ (831,814)	$ 579,726
Balance (in shares) at Jan. 01, 2013	87,812
Increase (Decrease) in Stockholders' Equity
Net income			114,356		114,356
Cash dividends declared			(27,437)		(27,437)
Tax impact of stock options exercised, net of cancellations		7,159			7,159
Stock-based compensation		14,312			14,312
Common stock issued under stock based compensation plans	$ 28	72,868			72,896
Common stock issued under stock based compensation plans (in shares)	2,820
Treasury stock purchases				(183,659)	(183,659)
Balance at Dec. 31, 2013	$ 906	602,469	989,451	(1,015,473)	577,353
Balance (in shares) at Dec. 31, 2013	90,632
Increase (Decrease) in Stockholders' Equity
Net income			101,276		101,276
Cash dividends declared			(30,516)		(30,516)
Tax impact of stock options exercised, net of cancellations		8,906			8,906
Stock-based compensation		17,033			17,033
Common stock issued under stock based compensation plans	$ 12	22,929			22,941
Common stock issued under stock based compensation plans (in shares)	1,158
Treasury stock purchases		2,696		(143,179)	(140,483)
Balance at Dec. 30, 2014	$ 918	654,033	1,060,211	(1,158,652)	556,510
Balance (in shares) at Dec. 30, 2014	91,790
Increase (Decrease) in Stockholders' Equity
Net income			116,523		116,523
Cash dividends declared			(35,946)		(35,946)
Tax impact of stock options exercised, net of cancellations		12,501			12,501
Stock-based compensation		20,325			20,325
Common stock issued under stock based compensation plans	$ 13	27,984			27,997
Common stock issued under stock based compensation plans (in shares)	1,337
Treasury stock purchases		(4,601)		(104,770)	(109,371)
Balance at Dec. 29, 2015	$ 931	$ 710,242	$ 1,140,788	$ (1,263,422)	$ 588,539
Balance (in shares) at Dec. 29, 2015	93,127