CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock
Balance at Jan. 01, 2013	$ 579,726	$ 878	$ 508,130	$ 902,532	$ (831,814)
Balance (in shares) at Jan. 01, 2013		87,812
Increase (Decrease) in Stockholders' Equity
Net income	81,356			81,356
Cash dividends declared	(20,150)			(20,150)
Issuance of common stock from stock options exercised	63,012	24	62,988
Issuance of common stock from stock options exercised (in shares)		2,358
Tax impact of stock options exercised, net of cancellations	4,357		4,357
Stock-based compensation	10,402		10,402
Issuance of restricted stock, net of forfeitures (in shares)		28
Purchase of treasury stock	(135,532)				(135,532)
Balance at Oct. 01, 2013	$ 583,171	$ 902	$ 585,877	$ 963,738	$ (967,346)
Balance (in shares) at Oct. 01, 2013		90,198