CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Total
Increase (Decrease) in Stockholders' Equity
Cumulative effect of adopting the pronouncement related to revenue recognition, net of tax | Accounting Standards Update 2014-09			$ (3,560)			$ (3,560)
Balance (as adjusted)	$ 954	$ 799,862	1,342,106	$ (1,532,864)	$ (88)	609,970
Balance at Jan. 02, 2018	$ 954	799,862	1,345,666	(1,532,864)	(88)	613,530
Balance (in shares) at Jan. 02, 2018	95,412
Increase (Decrease) in Stockholders' Equity
Net income			26,029			26,029
Foreign currency translation adjustment					(246)	(246)
Cash dividends declared Common stock			(13,280)			(13,280)
Stock-based compensation	$ 4	6,079				6,083
Stock-based compensation (in shares)	334
Common stock issued under stock-based compensation plans	$ 2	538				540
Common stock issued under stock-based compensation plans (in shares)	211
Treasury stock purchases				(34,903)		(34,903)
Balance at Apr. 03, 2018	$ 960	806,479	1,354,855	(1,567,767)	(334)	594,193
Balance (in shares) at Apr. 03, 2018	95,957
Balance at Jan. 02, 2018	$ 954	799,862	1,345,666	(1,532,864)	(88)	613,530
Balance (in shares) at Jan. 02, 2018	95,412
Increase (Decrease) in Stockholders' Equity
Net income						82,857
Foreign currency translation adjustment						(223)
Balance at Oct. 02, 2018	$ 963	823,206	1,383,305	(1,593,757)	(311)	613,406
Balance (in shares) at Oct. 02, 2018	96,388
Balance at Apr. 03, 2018	$ 960	806,479	1,354,855	(1,567,767)	(334)	594,193
Balance (in shares) at Apr. 03, 2018	95,957
Increase (Decrease) in Stockholders' Equity
Net income			28,353			28,353
Foreign currency translation adjustment					(249)	(249)
Cash dividends declared Common stock			(13,296)			(13,296)
Stock-based compensation		5,130				5,130
Stock-based compensation (in shares)	45
Common stock issued under stock-based compensation plans	$ 2	5,775				5,777
Common stock issued under stock-based compensation plans (in shares)	227
Treasury stock purchases				(7,126)		(7,126)
Balance at Jul. 03, 2018	$ 962	817,384	1,369,912	(1,574,893)	(583)	612,782
Balance (in shares) at Jul. 03, 2018	96,229
Increase (Decrease) in Stockholders' Equity
Net income			28,475			28,475
Foreign currency translation adjustment					272	272
Cash dividends declared Common stock			(15,082)			(15,082)
Stock-based compensation		4,803				4,803
Stock-based compensation (in shares)	51
Common stock issued under stock-based compensation plans	$ 1	1,019				1,020
Common stock issued under stock-based compensation plans (in shares)	108
Treasury stock purchases				(18,864)		(18,864)
Balance at Oct. 02, 2018	$ 963	823,206	1,383,305	(1,593,757)	(311)	613,406
Balance (in shares) at Oct. 02, 2018	96,388
Increase (Decrease) in Stockholders' Equity
Cumulative effect of adopting the pronouncement related to revenue recognition, net of tax | ASU 2016-02			(41,466)			(41,466)
Balance (as adjusted)	$ 967	828,676	1,343,028	(1,642,140)	(938)	529,593
Balance at Jan. 01, 2019	$ 967	828,676	1,384,494	(1,642,140)	(938)	571,059
Balance (in shares) at Jan. 01, 2019	96,622
Increase (Decrease) in Stockholders' Equity
Net income			26,984			26,984
Foreign currency translation adjustment					239	239
Cash dividends declared Common stock			(14,952)			(14,952)
Stock-based compensation	$ 3	5,907				5,910
Stock-based compensation (in shares)	350
Common stock issued under stock-based compensation plans	$ 4	5,537				5,541
Common stock issued under stock-based compensation plans (in shares)	412
Treasury stock purchases				(11,071)		(11,071)
Balance at Apr. 02, 2019	$ 974	840,120	1,355,060	(1,653,211)	(699)	542,244
Balance (in shares) at Apr. 02, 2019	97,384
Balance at Jan. 01, 2019	$ 967	828,676	1,384,494	(1,642,140)	(938)	571,059
Balance (in shares) at Jan. 01, 2019	96,622
Increase (Decrease) in Stockholders' Equity
Net income						78,584
Foreign currency translation adjustment						305
Balance at Oct. 01, 2019	$ 975	850,485	1,375,690	(1,692,701)	(633)	533,816
Balance (in shares) at Oct. 01, 2019	97,549
Balance at Apr. 02, 2019	$ 974	840,120	1,355,060	(1,653,211)	(699)	542,244
Balance (in shares) at Apr. 02, 2019	97,384
Increase (Decrease) in Stockholders' Equity
Net income			35,510			35,510
Foreign currency translation adjustment					175	175
Cash dividends declared Common stock			(14,899)			(14,899)
Stock-based compensation	$ 1	4,691				4,692
Stock-based compensation (in shares)	47
Common stock issued under stock-based compensation plans		650				650
Common stock issued under stock-based compensation plans (in shares)	49
Treasury stock purchases				(28,093)		(28,093)
Balance at Jul. 02, 2019	$ 975	845,461	1,375,671	(1,681,304)	(524)	540,279
Balance (in shares) at Jul. 02, 2019	97,480
Increase (Decrease) in Stockholders' Equity
Net income			16,090			16,090
Foreign currency translation adjustment					(109)	(109)
Cash dividends declared Common stock			(16,071)			(16,071)
Stock-based compensation		4,699				4,699
Stock-based compensation (in shares)	13
Common stock issued under stock-based compensation plans	$ 0	325				325
Common stock issued under stock-based compensation plans (in shares)	56
Treasury stock purchases				(11,397)		(11,397)
Balance at Oct. 01, 2019	$ 975	$ 850,485	$ 1,375,690	$ (1,692,701)	$ (633)	$ 533,816
Balance (in shares) at Oct. 01, 2019	97,549