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Fair Value of Financial Instruments - Additional Information (Detail) (Foreign Exchange Forward, Not Designated as Hedging Instrument, USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Apr. 02, 2011	Apr. 03, 2010
Fair Value of Financial Instruments [Line Items]
Forward contracts term, maximum	18 months	18 months
Cost of Sales
Fair Value of Financial Instruments [Line Items]
Gain (loss) on forward contracts	$ 0.8	$ 2.6	$ (2.5)	$ (1.0)

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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