Income Taxes (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2012		Jan. 01, 2012		Jan. 02, 2011		Jan. 03, 2010	Dec. 28, 2008
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning of year	$ 25.8						$ 10.1	$ 25.2
Increase (decrease) in prior year tax positions (a)	18.1	[1]	18.7	[1]	(3.5)	[1]
Increase for tax positions taken during the current period	1.5		0.7		0.6
Reduction related to settlements with taxing authorities	0		0		(9.2)
Reduction related to lapse of the statute of limitations	(2.9)		(3.5)		(3.0)
Impact of exchange rate changes	0.1		(0.2)		0
End of year	$ 42.6		$ 25.8				$ 10.1	$ 25.2

[1] Includes the impact of acquisitions in 2012 and 2011.