Equity (Treasury Stock) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Jul. 31, 2010	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013	Dec. 28, 2013	Dec. 25, 2010
Treasury Shares
Stock Repurchase Program, Authorized Amount	$ 500,000			$ 1,000,000
Stock Repurchase Program, Authorized Amount Increase (Decrease)						250,000	250,000
Number of shares of common stock repurchased (in shares)		1,530,281	390,625	1,826,328	659,423
Total cost of repurchase of treasury shares		80,498	16,628	96,972	27,557
2007 Incentive Plan
Treasury Shares
Number of shares of common stock repurchased (in shares)		681	1,233	113,428	112,748
Total cost of repurchase of treasury shares		37	48	6,691	4,519
Open market repurchases [Member]
Treasury Shares
Number of shares of common stock repurchased (in shares)		1,529,600	389,392	1,712,900	546,675
Total cost of repurchase of treasury shares		$ 80,461	$ 16,580	$ 90,281	$ 23,038