Accumulated Other Comprehensive Income Net of Tax (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2013	Mar. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Unrealized Net Gain (Loss) on Available-for-Sale Securities, Beginning Balance	$ 2.4
Unrealized Net Gain (Loss) on Available-for-Sale Securities, amounts reclassified from other comprehensive income	(2.0)	0.2
Unrealized net gain (loss) on available-for-sale securities	(0.3)	0.9
Unrealized Net Gain (Loss) on Available-for-Sale Securities, Net other comprehensive loss	(2.3)
Unrealized Net Gain (Loss) on Available-for-Sale Securities, Ending Balance	0.1
Foreign Currency Translation Adjustments, Beginning Balance	94.9
Foreign Currency Translation Adjustments, amounts reclassified from other comprehensive income
Foreign Currency Translation Adjustment	(8.1)	15.7
Foreign Currency Translation Adjustments, Ending Balance	86.8
Unrecognized Prior Service Cost, Beginning Balance	(0.1)
Unrecognized Prior Service Cost, amounts reclassified from other comprehensive income
Unrecognized prior service cost
Unrecognized Prior Service Cost, Ending Balance	(0.1)
Unrecognized Net Gain (Loss) on Retiree Medical Plan, Beginning Balance	1.8
Unrecognized Net Gain (Loss) on Retiree Medical Plan, amounts reclassified from other comprehensive income
Unrecognized net gain (loss) on retiree medical plan, other comprehensive loss
Unrecognized Net Gain (Loss) on Retiree Medical Plan, Ending Balance	1.8
Accumulated Other Comprehensive Income, beginning Balance	99.0
Accumulated Other Comprehensive Income, amounts reclassified from other comprehensive income	(2.0)
Other comprehensive loss	(8.4)
Accumulated Other Comprehensive Income, net other comprehensive loss	(10.4)
Accumulated Other Comprehensive Income, ending Balance	$ 88.6