Income Taxes - Provision for (Benefit from) Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Dec. 26, 2014
Current:
U.S. federal income tax	$ 7.6	$ 4.7	$ 3.1
State	1.4	0.5	0.9
Non-U.S.	11.0	7.6	5.6
Current Income Tax Expense (Benefit), Total	20.0	12.8	9.6
Deferred:
U.S. federal income tax	(3.3)	1.6	3.1
State	(0.6)	0.3	0.4
Non-U.S.	(4.3)	(1.0)	1.2
Deferred Income Tax Expense (Benefit), Total	(8.2)	0.9	4.7
Provision for income taxes	$ 11.8	$ 13.7	$ 14.3