FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES (Details) (Recurring Basis, USD $) In Thousands, unless otherwise specified	Jun. 29, 2012	Mar. 31, 2012
Level 1 | Available for sale investments
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	$ 5,037	$ 5,994
Level 1 | Mutual funds, money market accounts and equity securities
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	3,209	3,411
Level 2 | Money market funds and time deposits
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	265,732	343,906
Level 2 | Foreign exchange forward contracts
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	12,774	20,999
Total Liabilities	(21,217)	(8,105)
Level 2 | Mutual funds, money market accounts and equity securities
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	52,149	54,241
Level 3 | Deferred purchase price receivable
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	513,907	514,895
Total | Money market funds and time deposits
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	265,732	343,906
Total | Deferred purchase price receivable
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	513,907	514,895
Total | Foreign exchange forward contracts
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	12,774	20,999
Total Liabilities	(21,217)	(8,105)
Total | Available for sale investments
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	5,037	5,994
Total | Mutual funds, money market accounts and equity securities
Financial Instruments Measured at Fair Value on a Recurring Basis
Total Assets	$ 55,358	$ 57,652