Reconciliation of Expected Federal Income Tax Expense (Benefit) to Recorded Income Tax Expense (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Reconciliation of Provision of Income Taxes [Line Items]
Computed federal tax benefit									$ (16,765)	$ (18,042)	$ (29,325)
State tax, net of federal benefit									1,212	(8,678)	2,888
Federal valuation allowance									17,068	7,709	25,882
Non-deductible compensation									661	919	912
Other, net									120	137	(149)
Income tax expense (benefit) from continuing operations	$ 1,150	$ 376	$ 375	$ 395	$ (466)	$ (5,197)	$ (12,631)	$ 339	$ 2,296	$ (17,955)	$ 208