Income Taxes - Components of Income Before Income Taxes and Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Income (loss) from continuing operations before income taxes:
United States									$ 18,443	$ (6,068)	$ (24,760)
Foreign									352	155	477
Income (loss) from continuing operations before income taxes	$ 7,982	$ 6,163	$ 3,933	$ 717	$ 18	$ (1,079)	$ (1,229)	$ (3,623)	18,795	(5,913)	(24,283)
Federal:
Current									4,267	3,184	(699)
Deferred									(458)	(5,281)	(9,613)
Federal Income Tax Expense (Benefit), Continuing Operations, Total									3,809	(2,097)	(10,312)
State:
Current									1,372	594	157
Deferred									(921)	(375)	(710)
State and Local Income Tax Expense (Benefit), Continuing Operations, Total									451	219	(553)
Foreign:
Current									58	(12)	364
Deferred									48	49	0
Foreign, Income Tax expense benefit									106	37	364
Income tax expense (benefit)	$ 1,850	$ 1,469	$ 1,047	$ 0	$ 729	$ (809)	$ (442)	$ (1,319)	$ 4,366	$ (1,841)	$ (10,501)