Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2012	Dec. 30, 2011	Dec. 31, 2010
Income Tax [Line Items]
Net deferred tax assets	$ (5.4)	$ 2.5
Change in net deferred income tax asset	(7.9)
Deferred tax liability that will be due on certain hedge contract gains upon termination of our Loan related to other marketable securities	184.0	195.2
Valuation allowance changes	20.5
Unrecognized tax benefits that if recognized, would affect the effective tax rate	7.2
Interest and penalties associated with unrecognized tax benefits	0.3	0.4	0.6
Interest and penalties associated with unrecognized tax benefits (balance sheet)	0.9	0.7
Unrecognized tax benefits income tax and interest accrued noncurrent	14.1
Permanently reinvested earnings of foreign subsidiaries	259.3
Estimated unrecognized deferred tax liability on permanently reinvested earnings of foreign subsidiaries	32.5
Foreign withholding taxes	0.9	4.8	6.3
Domestic
Income Tax [Line Items]
Valuation allowance changes	23.0
Unrecognized tax benefit that could be reduced in the next twelve months	1.0
Foreign
Income Tax [Line Items]
Valuation allowance changes	(2.5)
Foreign | Minimum
Income Tax [Line Items]
Unrecognized tax benefit that could be reduced in the next twelve months	1.0
Foreign | Maximum
Income Tax [Line Items]
Unrecognized tax benefit that could be reduced in the next twelve months	2.0
Foreign Subsidiaries
Income Tax [Line Items]
Dividend from foreign subsidiaries	367.0
Deferred U.S. income tax	48.0
Foreign withholding taxes	$ 1.0