Income Tax Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009
Tax loss carryforwards
Effective tax rate	26.10%	12.80%	17.10%
Statutory Federal income tax rate	35.00%	35.00%	35.00%
Unrecognized Tax Benefits, Net	$ 82.1	$ 77.4
Unrecognized Tax Benefits	75.5	70.7	84.9	72.3
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	8.5	8.6
Recognized Income Tax Benefits Due to Net Reduction of Income Tax Penalties and Interest on Unrecognized Tax Benefits	(0.1)	0.3
Offsetting position against unrecognized tax benefits	1.9	1.9
Retained Earnings Attributable to Foreign Subsidiaries Considered to be Indefinitely Invested	906.0
Current [Member]
Tax loss carryforwards
Unrecognized Tax Benefits, Net	0.3	1.0
Non-current [Member]
Tax loss carryforwards
Unrecognized Tax Benefits, Net	81.8	76.4
Minimum
Tax loss carryforwards
Statutes of limitations, term	3 years
Maximum
Tax loss carryforwards
Statutes of limitations, term	7 years
General Business | Internal Revenue Service (IRS)
Tax loss carryforwards
Operating Loss and Tax Credit Carryforwards, Valuation Allowance	157.5	29.0
General Business | U.S. States
Tax loss carryforwards
Capital Loss Carryforwards, tax effect	13.0	4.8
General Business | U.S. States | Minimum
Tax loss carryforwards
Operating Loss and Tax Credit Carryforwards Expiration Date		2013
General Business | U.S. States | Maximum
Tax loss carryforwards
Operating Loss and Tax Credit Carryforwards Expiration Date		2029
General Business | Foreign Tax Authority [Member]
Tax loss carryforwards
Capital Loss Carryforwards, tax effect	109.1	27.8
General Business | U.K.
Tax loss carryforwards
Capital Loss Carryforwards, tax effect	$ 9.3	$ 8.2