Components of Changes in Accumulated Other Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jul. 01, 2011
Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ 2.9	$ 16.3
Other comprehensive income changes during the period, Accumulated Other Comprehensive Income (Loss)	(3.2)	14.6
Tax benefit (expense), Accumulated Other Comprehensive Income (Loss)	0.5	0.3
Ending Balance	0.2	31.2
Foreign Currency Adjustments
Comprehensive Income (Loss) [Line Items]
Beginning Balance	17.2	24.5
Other comprehensive income changes during the period, Foreign Currency Adjustments	(1.8)	15.5
Tax benefit (expense), Foreign Currency Adjustments	0	0
Ending Balance	15.4	40.0
Defined Benefit Plans
Comprehensive Income (Loss) [Line Items]
Beginning Balance	(15.3)	(8.0)
Other comprehensive income changes during the period, Defined Benefit Plans	0	0
Tax benefit (expense), Defined Benefit Plans	0	0
Ending Balance	(15.3)	(8.0)
Derivative Agreements
Comprehensive Income (Loss) [Line Items]
Beginning Balance	1.0	(0.2)
Other comprehensive income changes during the period, Derivative Agreements	(1.4)	(0.9)
Tax benefit (expense), Derivative Agreements	0.5	0.3
Ending Balance	$ 0.1	$ (0.8)