Condensed Consolidated Statements Of Changes In Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Capital In Excess Of Par Value [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Treasury Stock [Member]	Total
Balance at Jan. 02, 2011	$ 6,144	$ 436,051	$ 756,448	$ 4,522	$ (1,045,103)	$ 158,062
Balance (in shares) at Jan. 02, 2011	61,436,229				41,128,869
Net income			52,234			52,234
Hedging loss realized in earnings, net of income taxes of $755				1,221		1,221
Foreign currency translation adjustments, net of income taxes of $93				(582)		(582)
Comprehensive income						52,873
Stock-based compensation costs		5,628				5,628
Stock options exercised (in shares)	17,588
Stock options exercised	1	631				632
Restricted stock issued, net of forfeitures (in shares)	174,921
Restricted stock issued, net of forfeitures	18	(18)
Tax benefit from stock options and restricted stock, net		635				635
Restricted stock returned for taxes (in shares)	(73,439)
Restricted stock returned for taxes	(7)	(2,742)				(2,749)
Cash dividends declared ($0.60 per share)			(11,715)			(11,715)
Purchases of treasury stock (in shares)					1,561,507
Purchases of treasury stock					(55,445)	(55,445)
Balance at Oct. 02, 2011	$ 6,156	$ 440,185	$ 796,967	$ 5,161	$ (1,100,548)	$ 147,921
Balance (in shares) at Oct. 02, 2011	61,555,299				42,690,376