Annual report pursuant to Section 13 and 15(d)

Commitments and contingencies Commitments and contingencies - Schedule of Minimum Future Lease Commitments Under Leases (Details)

v3.8.0.1
Commitments and contingencies Commitments and contingencies - Schedule of Minimum Future Lease Commitments Under Leases (Details)
$ in Thousands
Sep. 30, 2017
USD ($)
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