Schedule II - Valuation and Qualifying Accounts (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jan. 03, 2015		Dec. 28, 2013		Dec. 29, 2012
Allowance for Doubtful Accounts
Movement in Valuation Allowances and Reserves
Balance at beginning of period	$ 3.0		$ 3.2		$ 3.0
Additions charged to costs and expenses	0.2		(0.1)		0.4
Deductions	0	[1]	0.1	[1]	0.2	[1]
Other	0	[2]	0	[2]	0	[2]
Balance at end of period	3.2		3.0		3.2
Allowance for Deferred Taxes
Movement in Valuation Allowances and Reserves
Balance at beginning of period	3.5		4.4		3.6
Additions charged to costs and expenses	1.3		(0.9)		0.8
Deductions	0.9	[1]	0	[1]	0	[1]
Other	0	[2]	0	[2]	0	[2]
Balance at end of period	$ 3.9		$ 3.5		$ 4.4

[1] Charges for which allowances were created.

[2] Primarily related to acquisitions