Income Taxes - Provision for (Benefit from) Income Taxes (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2016	Dec. 26, 2014	Dec. 27, 2013
Current:
U.S. federal income tax	$ 4.7	$ 3.1	$ 4.6
State	0.5	0.9	1.0
Non-U.S.	7.6	5.6	8.9
Current Income Tax Expense (Benefit), Total	12.8	9.6	14.5
Deferred:
U.S. federal income tax	1.6	3.1	0.8
State	0.3	0.4	0.1
Non-U.S.	(1.0)	1.2	1.8
Deferred Income Tax Expense (Benefit), Total	0.9	4.7	2.7
Provision for income taxes	$ 13.7	$ 14.3	$ 17.2