Trade Receivables Securitization (Tables)

12 Months Ended

Mar. 31, 2012

Trade Receivables Securitization [Abstract]

Summary Of Deferred Purchase Price Receivables

		As of March 31,
		2012			2011
		(In thousands)
Beginning balance	$	459,994		$	135,401
Transfers of receivables		4,922,541			3,107,510
Collections		(4,867,640	)		(2,782,917	)
Ending balance	$	514,895		$	459,994