Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 3,472	$ (44,352)	$ (8,390)	$ (105,628)
Interest rate swap derivatives designated as hedging instruments:
Unrealized gains (losses) on derivative instruments	158	(958)	(135)	(958)
Reclassification adjustment related to derivative instruments	230		616
Net increase (decrease) from derivatives designated as hedging instruments	388	(958)	481	(958)
Net change in foreign currency translation adjustments	(730)	(2,945)	2,885	(2,957)
Other comprehensive income (loss), net of tax:	(342)	(3,903)	3,366	(3,915)
Total comprehensive income (loss)	$ 3,130	$ (48,255)	$ (5,024)	$ (109,543)