Revenues and Expenses of Discontinued Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total revenues	$ (100,737)	$ (140,565)
Total expenses	15,408	37,690
Other income	1,258,564	42,587
Net income (loss) from discontinued operations, before income taxes	1,142,419	(135,668)
Income tax expense	6,598	1,899
Discontinued operations, net of taxes	$ 1,135,821	$ (137,567)