Commitments and contingencies - Schedule of Minimum Future Lease Commitments Under Leases (Details) $ in Thousands |
Sep. 30, 2019
USD ($)
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| Minimum future lease commitments under leases | |
| 2020 | $ 101,724 |
| 2021 | 58,630 |
| 2022 | 36,029 |
| 2023 | 24,060 |
| 2024 | 9,919 |
| Thereafter | 7,295 |
| Total minimum lease payments | 237,657 |
| Office space | |
| Minimum future lease commitments under leases | |
| 2020 | 93,119 |
| 2021 | 52,402 |
| 2022 | 33,645 |
| 2023 | 23,942 |
| 2024 | 9,842 |
| Thereafter | 7,295 |
| Total minimum lease payments | 220,245 |
| Equipment | |
| Minimum future lease commitments under leases | |
| 2020 | 8,605 |
| 2021 | 6,228 |
| 2022 | 2,384 |
| 2023 | 118 |
| 2024 | 77 |
| Thereafter | 0 |
| Total minimum lease payments | $ 17,412 |
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- Definition Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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 fifth 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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 fourth 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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 third 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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 second 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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