Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions		12 Months Ended
		Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Allowance for Doubtful Accounts
Movement in Valuation Allowances and Reserves
Balance at beginning of period		$ 3.2	$ 3.0	$ 3.2
Additions charged to costs and expenses		1.1	0.2	(0.1)
Deductions	[1]	0.5	0.0	0.1
Other	[2]	0.0	0.0	0.0
Balance at end of period		3.8	3.2	3.0
Allowance for Deferred Taxes
Movement in Valuation Allowances and Reserves
Balance at beginning of period		3.9	3.5	4.4
Additions charged to costs and expenses		3.5	1.3	(0.9)
Deductions	[1]	0.2	0.9	0.0
Other	[2]	0.0	0.0	0.0
Balance at end of period		$ 7.2	$ 3.9	$ 3.5

[1] Charges for which allowances were created.

[2] .