Schedule II-Valuation and Qualifying Accounts (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Accounts Receivable, Net [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 3,843	$ 3,276	$ 3,737
Additions charged to costs and expenses	496	1,199	995
Deductions	(2,082)	(632)	(1,456)
Balance at end of period	2,257	3,843	3,276
Deferred Tax Valuation Allowance [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	9,200	10,900	12,500
Additions charged to costs and expenses	644	0	0
Deductions	0	(1,700)	(1,600)
Balance at end of period	$ 9,844	$ 9,200	$ 10,900