Accounts receivable, net (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Jun. 30, 2013
Accounts Receivable, Net [Abstract]
Accounts receivable, trade	$ 1,870,056	$ 1,855,644
Allowance for doubtful accounts	(10,399)	(14,824)
Non-trade accounts receivable	124,739	110,394
Notes receivable	113,667	111,531
Total	$ 2,098,063	$ 2,062,745