Revisions - Effect of Revision on Consolidated Statements of Cash Flows (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 04, 2015	Jun. 28, 2014	Jul. 04, 2015	Jun. 28, 2014
Operating Activities
Net (loss) income	$ 18.3	$ (4.5)	$ 17.1	$ (7.2)
Depreciation & amortization	58.2	25.8	115.6	50.9
Increase in deferred income taxes	5.2	(2.6)	16.9	(1.9)
Loss (gain) on disposal of property, plant & equipment	0.2	(0.1)	1.6
Accounts payable and accrued liabilities, and other liabilities	25.2	26.3	10.0	(2.2)
Net cash provided by (used in) operating activities	75.7	29.5	74.6	(23.0)
Effect of exchange rate changes on cash	$ 0.2	1.1	$ (1.0)	1.2
Scenario, Previously Reported [Member]
Operating Activities
Net (loss) income		(4.6)		(7.1)
Depreciation & amortization		26.0		51.3
Increase in deferred income taxes				1.5
Loss (gain) on disposal of property, plant & equipment		0.4		0.5
Accounts payable and accrued liabilities, and other liabilities		25.8		(2.7)
Net cash provided by (used in) operating activities		29.6		(22.9)
Effect of exchange rate changes on cash		1.0		1.1
Scenario, Actual [Member]
Operating Activities
Net (loss) income		(4.5)		(7.2)
Depreciation & amortization		25.8		50.9
Increase in deferred income taxes				1.9
Loss (gain) on disposal of property, plant & equipment		(0.1)
Accounts payable and accrued liabilities, and other liabilities		26.3		(2.2)
Net cash provided by (used in) operating activities		29.5		(23.0)
Effect of exchange rate changes on cash		1.1		1.2
Scenario, Adjustment [Member]
Operating Activities
Net (loss) income		0.1		(0.1)
Depreciation & amortization		(0.2)		(0.4)
Increase in deferred income taxes				0.4
Loss (gain) on disposal of property, plant & equipment		(0.5)		(0.5)
Accounts payable and accrued liabilities, and other liabilities		0.5		0.5
Net cash provided by (used in) operating activities		(0.1)		(0.1)
Effect of exchange rate changes on cash		$ 0.1		$ 0.1