Accumulated Other Comprehensive (Loss) Income (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss)	$ (52,206,000)	$ 20,892,000	$ 52,601,000	$ (20,575,000)
Foreign currency translation adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss) before reclassifications	(52,315,000)	20,934,000	(42,602,000)	(20,533,000)
Amounts reclassified into income	0	0	95,120,000	0
Deferred gains (losses) on cash flow hedging instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss) before reclassifications	0	(42,000)	0	(42,000)
Amounts reclassified into income	109,000	0	83,000	0
Amounts reclassified into income for deferred gains (losses)	134,000	0	108,000	0
Intra-entity foreign currency transactions [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss) before reclassifications	$ (453,000)	$ (403,000)	$ (703,000)	$ (875,000)