Accumulated Other Comprehensive (Loss) Income - Reclassifications Out of Accumulated Other Comprehensive (Loss) Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2013		Mar. 31, 2012
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Gains and losses on derivative instruments, Total before taxes	$ 0.1
Gains and losses on derivative instruments, Tax (expense) or benefit
Gains and loses on derivative instruments, Net of tax	0.1
Amortization of pension benefit plans items, Prior-service costs	(0.1)
Amortization of pension benefit plans items, Actuarial adjustments	(0.1)
Amortization of pension benefit plans items, Actuarial gains/(losses)
Amortization of pension benefit plans items, Total before tax	(0.2)
Amortization of pension benefit plans items, Tax (expense) or benefit
Amortization of pension benefit plans items, Net of tax	(0.2)	[1]	0.5	[1]
Total reclassifications for the period, Net of tax	(0.1)
Cost of Sales [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Gains and losses on derivative instruments, Total before taxes	$ 0.1

[1] Net of the effect of $0.1 million tax expense and no tax benefit for the three months ended March 30, 2013 and March 31, 2012, respectively.