Shareholders' Equity Shareholders' Equity Repurchase of Common Stock (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Shareholders' Equity Repurchase of Common Stock [Abstract]
Amount repurchased under Board approved share repurchase program	$ 40,037,000	$ 30,023,000	$ 0
Stock Repurchase Acquired Through Tax Withholding Restricted Stock	2,035,000	4,869,000	371,000
Total amount repurchased	42,072,000	34,892,000	371,000
Authorized repurchase amount	$ 136,700,000