Supplemental Guarantor Information Supplemental (Details) In Millions, unless otherwise specified								3 Months Ended
	Sep. 24, 2011 USD ($)	Dec. 25, 2010 USD ($)	Jun. 30, 2007 USD ($)	Jun. 15, 2007 Parent Guarantor and 2007 Issuer [Member] $575 million 2.5% convertible Senior Notes due 2013 USD ($)	Sep. 24, 2011 2002 Issuer [Member] USD ($)	May 07, 2002 2002 Issuer [Member] $850 million 6.375% Senior Notes due 2012 USD ($)	Sep. 24, 2011 Guarantor Subsidiaries [Member] USD ($)	Sep. 25, 2010 2005 Issuers and 2010 Issuer [Member] $300 million 4.85% Senior Notes due 2010 USD ($)	Sep. 22, 2005 2005 Issuers and 2010 Issuer [Member] $300 million 4.85% Senior Notes due 2010 USD ($)	Sep. 22, 2005 2005 Issuers and 2010 Issuer [Member] Canadian dollar ("CAD") 900 million 5.0% notes due 2015 CAD	Sep. 22, 2005 2005 Issuers and 2010 Issuer [Member] Senior Notes 4.85% and 5% due 2010 and 2015 USD ($)	Sep. 24, 2011 $850 million 6.375% Senior Notes due 2012 USD ($)	Oct. 06, 2010 CAD 500 million 3.95% Series A notes due 2017 CAD
Debt Instrument [Line Items]
Derivative hedging instruments	$ 104.0	$ 26.4			$ 12.4		$ 91.6
Derivative hedging instruments	198.2	404.8			21.4		176.8
Debt face amount			575	575		850			300	900	1,100		500
Note, stated interest rate, percentage (as a percent)				2.50%		6.375%			4.85%	5.00%			3.95%
Debt outstanding amount												44.6
Payment of senior notes								$ 300