Income Tax (Benefit) Expense - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Millions	Jan. 02, 2016	Jan. 03, 2015
Deferred tax assets:
Current	$ 0.0	$ 0.0
Long-term	7.6	3.4
Deferred tax liabilities:
Current	0.0	0.0
Long-term	(76.5)	(109.4)
Net deferred tax liability	$ (68.9)	$ (106.0)