Commitments and contingencies - Contingencies (Details) $ in Thousands |
6 Months Ended |
---|---|
Jun. 30, 2017
USD ($)
| |
Loss Contingency Accrual [Roll Forward] | |
Contingencies accrual, beginning balance | $ 654 |
Charges | 960 |
Provision used | (24) |
Provision released not used | (250) |
Currency translation adjustments | 52 |
Contingencies accrual, ending balance | 1,392 |
Contingencies accrual, of which current | 1,392 |
Provision for employee-related litigation | |
Loss Contingency Accrual [Roll Forward] | |
Contingencies accrual, beginning balance | 485 |
Charges | 6 |
Provision used | 0 |
Provision released not used | (250) |
Currency translation adjustments | 26 |
Contingencies accrual, ending balance | 267 |
Contingencies accrual, of which current | 267 |
Other provisions | |
Loss Contingency Accrual [Roll Forward] | |
Contingencies accrual, beginning balance | 169 |
Charges | 954 |
Provision used | (24) |
Provision released not used | 0 |
Currency translation adjustments | 26 |
Contingencies accrual, ending balance | 1,125 |
Contingencies accrual, of which current | $ 1,125 |