Accounts Receivable, net (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Jun. 30, 2011
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, trade	$ 1,843,990	$ 1,780,137
Allowance for doubtful accounts	(13,235)	(10,472)
Non-trade accounts receivable	82,525	75,550
Notes receivable	148,221	132,641
Total	$ 2,061,501	$ 1,977,856