Stockholders' Equity (Details) (USD $) Share data in Millions, unless otherwise specified	3 Months Ended				1 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013 Unrealized Loss on Cash Flow Hedge	Mar. 30, 2013 Net Unrealized Losses on Available-For-Sale Securities	Jan. 31, 2013 Maximum	Apr. 30, 2012 Maximum	Oct. 31, 2011 Maximum
Stockholders' Equity
Stock issuances under employee plans, net of shares withheld for taxes (in shares)	0.5
Shares withheld to satisfy employee tax obligation	0.1
Stockholders' Equity
Value of common stock board of directors authorized to repurchase (in USD)					$ 50,000,000	$ 100,000,000	$ 50,000,000
Components of accumulated other comprehensive loss, net of taxes
Balance at beginning of the period	(946,000)		(428,000)	(518,000)
Other comprehensive income (loss) before reclassifications	(47,000)		28,000	(75,000)
Amounts reclassified from accumulated other comprehensive loss	118,000		118,000
Other comprehensive income	71,000	650,000	146,000	(75,000)
Balance at end of the period	$ (875,000)		$ (282,000)	$ (593,000)