Commitments and contingencies - Commitments (Details) - Mar. 31, 2021 - Revolving credit facility - RCF $ in Millions |
EUR (€) |
USD ($) |
---|---|---|
Bank Syndicate RCF | ||
Debt Instrument [Line Items] | ||
Revolving credit facility, maximum borrowing capacity | € 350,000,000.0 | $ 410.4 |
HSBC and LCL Facilities | ||
Debt Instrument [Line Items] | ||
Revolving credit facility, maximum borrowing capacity | € 21,500,000 | $ 25.2 |