Amounts Reclassified from Accumulated Other Comprehensive Income to Net Loss (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2013	Mar. 30, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Tax Provision	$ (0.6)	$ 0.1
Net of Tax	2.0	(0.3)
Other Income Expense Net
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other income (expense), net	$ 2.6	$ (0.3)