SEC Schedule II - Schedule of Valuation and Qualifying Accounts Disclosure (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning Of Year	$ 529	$ 552
Charged to Cost and Expenses/(Benefit)	807	1,212
Deductions from Reserves	(821)	(1,235)
Balance at End of Year	515	529
Deferred Income Tax Asset Valuation Allowance [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning Of Year	8,373	11,120
Charged to Cost and Expenses/(Benefit)	252	(2,747)
Balance at End of Year	$ 8,625	$ 8,373