Fair value of financial instruments - Interest Rate Swaps (Details) - Designated as Hedging Instrument - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
$100 million interest rate swap | ||||
Derivative [Line Items] | ||||
Notional value of derivative instrument | $ 100.0 | $ 100.0 | ||
Weighted average maturity | 1 year | |||
$100 million interest rate swap | Level 2 | ||||
Derivative [Line Items] | ||||
Fair value of swap, net | (0.5) | $ (0.5) | ||
Interest expense | (2.1) | (4.6) | ||
$400 million interest rate swap | Level 2 | ||||
Derivative [Line Items] | ||||
Interest expense | $ (4.7) | $ (9.7) | ||
Prepaid expenses and other | $100 million interest rate swap | Level 2 | ||||
Derivative [Line Items] | ||||
Fair value of swap, asset position | 0.1 | 0.1 | ||
Other liabilities | $100 million interest rate swap | Level 2 | ||||
Derivative [Line Items] | ||||
Fair value of swap, liability position | $ (0.6) | $ (0.6) |