Income Taxes - Provision for Income Taxes From Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016		Dec. 28, 2014
Current tax expense:
U.S. federal	$ 10.2	$ 8.3		$ 5.6
U.S. state and local	2.4	1.4		1.4
Foreign	10.0	10.8		12.7
Total current	22.6	20.5		19.7
Deferred tax expense:
U.S. federal	11.8	(10.6)		(22.0)
U.S. state and local	2.0	0.8		(0.4)
Foreign	(6.4)	(2.0)		(4.4)
Total deferred	7.4	(11.8)	[1]	(26.8)
Total provision	$ 30.0	$ 8.7	[1]	$ (7.1)

[1] Fiscal year included 53 weeks.