Components of Income Tax Expense (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Current, Federal									$ 2,133	$ 3,704	$ (146)
Current, State									253	5	86
Current, Foreign									22,312	19,783	16,978
Total Current									24,698	23,492	16,918
Deferred, Federal									(6,963)	2,759	(2,762)
Deferred, State									(1,251)	1,302	(251)
Deferred, Foreign									7,030	(3,084)	(768)
Total Deferred									(1,184)	977	(3,781)
Total Income Tax Expense	$ 1,211	$ 6,837	$ 7,913	$ 7,553	$ 13,934	$ 2,426	$ 3,187	$ 4,922	$ 23,514	$ 24,469	$ 13,137