Accumulated Other Comprehensive (Loss) Income - Changes in Accumulated Other Comprehensive (Loss) Income by Component (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			$ (16.8)
OCI before reclassifications			6.7
Total other comprehensive (loss) income	8.4	(4.3)	6.7	(16.4)
Ending balance	(10.1)		(10.1)
Gains and Losses on Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			0.2
OCI before reclassifications			0.4
Amounts reclassified from AOCI			(0.2)
Total other comprehensive (loss) income			0.2
Ending balance	0.4		0.4
Pension Benefit Plan Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(8.4)
OCI before reclassifications			(0.5)
Amounts reclassified from AOCI			0.2
Total other comprehensive (loss) income			(0.3)
Ending balance	(8.7)		(8.7)
Currency Translation Adjustment Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(8.6)
OCI before reclassifications			6.8
Total other comprehensive (loss) income			6.8
Ending balance	$ (1.8)		$ (1.8)