Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014	Dec. 29, 2013
Income Taxes [Line Items]
U.S. statutory rate	35.00%
Loss carryforwards	$ 36.4	$ 40.6
Undistributed earnings of foreign subsidiaries	110.5
Unrecognized tax benefits	1.4	1.7	$ 2.4	$ 2.8
Unrecognized tax benefits that would impact effective tax rate	1.0	1.1	1.5
Unrecognized tax (benefits) expense, interest on income taxes expense		(0.2)	$ 0.1
Unrecognized tax benefits, interest on income taxes accrued	0.2	$ 0.2
Significant change in unrecognized tax benefits is reasonably possible, amount of unrecorded benefit	0.4
General Business Tax Credit Carryforward
Income Taxes [Line Items]
General business credit carryforward	116.3
Foreign Tax Credit Carryforward
Income Taxes [Line Items]
General business credit carryforward	4.8
State Credit Carryforward
Income Taxes [Line Items]
General business credit carryforward	$ 0.1