Leases - Lease expense and supplemental cash flow information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Leases [Abstract]
Operating lease expense	$ 48,171	$ 50,267
Short-term lease cost	7,674	8,566
Variable lease cost	5,835	5,108
Total lease cost	61,680	63,941
Cash paid for amounts included in the measurement of operating lease liabilities	47,080	48,562
Right-of-use assets obtained in exchange for operating lease obligations	$ 41,637	$ 41,069