Leases - Maturities of lease liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Jun. 30, 2019
Leases [Abstract]
2020	$ 11,818
2021	40,886
2022	29,494
2023	19,666
2024	12,377
Thereafter	32,548
Total operating lease payments	146,789
Less imputed interest	8,606
Total operating lease liabilities	$ 138,183
Future minimum rental commitments, 2020		$ 45,920
Future minimum rental commitments, 2021		31,115
Future minimum rental commitments, 2022		21,625
Future minimum rental commitments, 2023		13,228
Future minimum rental commitments, 2024		7,591
Future minimum rental commitments, after 2024		$ 22,723

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Amount of lessee's undiscounted obligation for lease payments for operating lease.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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