Commitments and contingencies Commitments and contingencies - Schedule of Minimum Future Lease Commitments Under Leases (Details) $ in Thousands |
Sep. 30, 2017
USD ($)
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| Minimum future lease commitments under leases | |
| 2018 | $ 69,482 |
| 2019 | 54,390 |
| 2020 | 36,292 |
| 2021 | 10,472 |
| 2022 | 4,200 |
| Thereafter | 241 |
| Total minimum lease payments | 175,077 |
| Office space | |
| Minimum future lease commitments under leases | |
| 2018 | 65,230 |
| 2019 | 50,908 |
| 2020 | 34,159 |
| 2021 | 10,459 |
| 2022 | 4,198 |
| Thereafter | 241 |
| Total minimum lease payments | 165,195 |
| Equipment | |
| Minimum future lease commitments under leases | |
| 2018 | 4,252 |
| 2019 | 3,482 |
| 2020 | 2,133 |
| 2021 | 13 |
| 2022 | 2 |
| Thereafter | 0 |
| Total minimum lease payments | $ 9,882 |
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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://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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