Financial Instruments (Details 2) (Designated Cash Flow Hedge [Member], USD $) In Millions	3 Months Ended		6 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Reclassification of Hedge Gain (Loss) from Accumulated OCI into income
Gains (losses) for total designated hedges reclassified from AOCI to earnings	$ (3.7)	$ 4.6	$ (2.1)	$ 5.3
FC- Inventory purchases [Member]
Reclassification of Cash Flow Hedge Gain (Loss) from Accumulated OCI to Cost of Sales
Gains (Losses) for Fx forward exchange contracts relating to Inventory purchases reclassified from AOCI to Cost of Sales	(2.3)	5.8	0.9	6.1
FC-I/C royalty payments [Member]
Reclassification of Cash Flow Hedge Gain (Loss) from Accumulated OCI to Foreign Currency Gains (Losses)
Gains (Losses) for Fx forward exchange contracts reclassified from AOCI to Foreign currency gains (losses)	(1.0)	(1.8)	(3.5)	(1.2)
FC-Interest payments [Member]
Reclassification of Cash Flow Hedge Gain (Loss) from Accumulated OCI to Foreign Currency Gains (Losses)
Gains (Losses) for Fx forward exchange contracts reclassified from AOCI to Foreign currency gains (losses)	(1.0)	0.3	(0.4)	0.3
FC-other [Member]
Reclassification of Cash Flow Hedge Gain (Loss) from Accumulated OCI to Foreign Currency Gains (Losses)
Gains (Losses) for Fx forward exchange contracts reclassified from AOCI to Foreign currency gains (losses)	$ 0.6	$ 0.3	$ 0.9	$ 0.1