Equity Repurchases of Common Stock (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Mar. 30, 2014	Jun. 29, 2014	Jun. 30, 2013	Jan. 09, 2014	Aug. 06, 2014 Subsequent Event [Member]
Stock Repurchase Program, Authorized Amount				$ 275,000	$ 100,000
Treasury Stock, Shares, Acquired	29,730
Payments for Repurchase of Common Stock	275,000	277,275	0
Stock Repurchase Program, Cost Incurred		$ 2,275