Fair Value Measurement Of Assets And Liabilities (Tables)

6 Months Ended

12 Months Ended

Sep. 30, 2011

Mar. 31, 2011

Fair Value Measurement Of Assets And Liabilities [Abstract]

Financial Assets And Liabilities Measured At Fair Value On A Recurring Basis

	Fair Value Measurements as of September 30, 2011
	Level 1	Level 2	Level 3	Total
	(In thousands)
Assets:
Money market funds and time deposits (Note 2)	$                      -	$           404,505	$                      -	$           404,505
Deferred purchase price receivable (Note 9)	-	-	1,072,661	1,072,661
Foreign exchange forward contracts (Note 8)	-	26,493	-	26,493
Total Assets	$                      -	$           430,998	$        1,072,661	$        1,503,659
Liabilities:
Foreign exchange forward contracts (Note 8)	$                      -	$           (57,367)	$                      -	$           (57,367)
Total Liabilities	$                      -	$           (57,367)	$                      -	$           (57,367)

	Fair Value Measurements as of March 31, 2011
	Level 1	Level 2	Level 3	Total
	(In thousands)
Assets:
Money market funds and time deposits (Note 2)	$                      -	$           375,760	$                      -	$           375,760
Deferred purchase price receivable (Note 9)	-	-	460,000	460,000
Foreign exchange forward contracts (Note 8)	-	24,071	-	24,071
Total Assets	$                      -	$           399,831	$           460,000	$           859,831
Liabilities:
Foreign exchange forward contracts (Note 8)	$                      -	$             (6,900)	$                      -	$             (6,900)
Total Liabilities	$                      -	$             (6,900)	$                      -	$             (6,900)

Financial Liabilities Not Carried At Fair Value

	As of September 30, 2011		As of March 31, 2011
	Carrying	Fair	Carrying	Fair	Fair Value
	Amount	Value	Amount	Value	Hierarchy
	(In thousands)		(In thousands)
Revolving credit facility	$           160,000	$           160,000	$           160,000	$           160,000	Level 2
Term loan dated October 1, 2007	1,665,765	1,617,063	1,674,435	1,662,714	Level 1
Asia term loans	378,000	366,948	379,000	376,347	Level 2
Total	$        2,203,765	$        2,144,012	$        2,213,435	$        2,199,061