Leases - Supplemental balance sheet information (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Leases [Abstract]
Operating lease right-of-use assets (included within Investments and other assets)	$ 133,412	$ 131,880
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Investments and other assets	Investments and other assets
Current operating lease liabilities (included within Other accrued liabilities)	$ 36,023	$ 40,193
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Accrued Liabilities, Current	Other Accrued Liabilities, Current
Long-term operating lease liabilities (included within Other liabilities)	$ 100,337	$ 93,904
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total operating lease liabilities	$ 136,360	$ 134,097
Weighted average remaining lease term	5 years 7 months 6 days	5 years 6 months
Weighted average discount rate	1.60%	1.80%