Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 29, 2014	Dec. 31, 2013
Stockholders' equity:
Preferred stock, par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock, authorized (in shares)	60,000	60,000
Preferred stock, issued (in shares)	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	80,894,000	80,841,000
Treasury stock, shares (in shares)	8,155,000	8,155,000