Derivative Instruments - Effect of Derivative Instruments on Statement of Financial Position (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
Derivative [Line Items] | ||||
Interest expense | $ 5.5 | $ 4.9 | $ 17.1 | $ 16.6 |
Interest Expense | Interest Rate Swap | ||||
Derivative [Line Items] | ||||
Interest rate swap agreements designated as cash flow hedges | 1.0 | 1.2 | 2.9 | 1.6 |
Cross currency swap agreement designated as net investment hedge, amounts excluded from effectiveness testing | $ (0.1) | $ 0.0 | $ (0.1) | $ 0.0 |