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+ Details

Description of the business and recent developments: Financial instruments (Details) - Sep. 30, 2021 € in Millions, $ in Millions	USD ($)	EUR (€)
Level 2 \| Interest Rate Swap
Financial instruments
Fair value of interest rate swaps	$ 3.1
long-term liability	3.1
Senior unsecured 2024 Notes
Financial instruments
Senior notes	405.6	€ 350.0
Senior unsecured 2024 Notes \| Level 2
Financial instruments
Senior notes, fair value	413.2
Senior secured 2026 Notes
Financial instruments
Senior notes	500.0
Senior secured 2026 Notes \| Level 2
Financial instruments
Senior notes, fair value	$ 507.5