Accumulated Other Comprehensive (Loss) Income - Changes in Accumulated Other Comprehensive (Loss) Income by Component (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			$ (12.4)
OCI before reclassifications			(4.9)
Amounts reclassified from AOCI			0.3
Total other comprehensive income (loss)	11.8	12.6	(4.6)	13.1
Ending balance	(17.0)		(17.0)
Gains and Losses on Derivative Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			0.2
OCI before reclassifications			0.2
Amounts reclassified from AOCI			(0.3)
Total other comprehensive income (loss)			(0.1)
Ending balance	0.1		0.1
Pension Benefit Plan Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(9.1)
OCI before reclassifications			(0.3)
Amounts reclassified from AOCI			0.6
Total other comprehensive income (loss)			0.3
Ending balance	(8.8)		(8.8)
Currency Translation Adjustment Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance			(3.5)
OCI before reclassifications			(4.8)
Total other comprehensive income (loss)			(4.8)
Ending balance	$ (8.3)		$ (8.3)