Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent	$ 897,678	$ 911,063	$ 897,678	$ 911,063	$ 927,580	$ 905,751	$ 914,129	$ 899,504	$ 877,897	$ 866,376
Tax (expense) benefit	(740)	(193)	(1,174)	(187)
Foreign currency translation adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent	(122,782)		(122,782)				(87,913)
Unrealized loss on hedged transaction, net of tax [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent	(6,392)		(6,392)
Unrealized loss on hedged transaction, net of tax [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent							(2,175)
Accumulated Other Comprehensive Loss [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent	$ (129,174)	$ (90,192)	$ (129,174)	$ (90,192)	$ (96,340)	$ (105,798)	$ (90,088)	$ (88,045)	$ (88,793)	$ (84,177)