CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Net income	$ 59,217	$ 38,078	$ 97,282	$ 72,833
Other comprehensive income (loss):
Foreign currency translation adjustments	(895)		(1,317)
Total other comprehensive income (loss)	(895)		(1,317)
Comprehensive income	$ 58,322		$ 95,965
Accounting Standards Update 2014-09 [Member]
Net income		132,032		172,552
Other comprehensive income (loss):
Foreign currency translation adjustments		73		1,474
Total other comprehensive income (loss)		73		1,474
Comprehensive income		$ 132,105		$ 174,026