Income Tax Expense (Benefit) - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Jan. 02, 2016
Deferred tax assets:
Long-term	$ 0.2	$ 7.6
Deferred tax liabilities:
Long-term	(157.8)	(76.5)
Net deferred tax liability	$ (157.6)	$ (68.9)