XML 23 R57.htm IDEA: XBRL DOCUMENT

Equity - Treasury Shares (Details) (USD $) Share data in Millions, unless otherwise specified	12 Months Ended			3 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 25, 2010	Mar. 28, 2015	Mar. 29, 2014	Jul. 31, 2010
Treasury Shares
Authorized stock repurchase amount				$ 1,150,000,000		$ 500,000,000
Authorized increase, stock repurchase	150,000,000	250,000,000	250,000,000
Remaining authorized repurchase amount				128,500,000
Open market repurchases [Member]
Treasury Shares
Number of shares of common stock repurchased (in shares)				0.7	0.2
Total cost of repurchase of treasury shares				50,000,000	9,800,000
2007 Incentive Plan [Member]
Treasury Shares
Number of shares of common stock repurchased (in shares)				0.1	0.1
Total cost of repurchase of treasury shares				$ 8,600,000	$ 6,700,000