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v3.23.1

Derivative Financial Instruments and Fair Value Measurements - Additional Information (Details) € in Millions, $ in Millions |  |  | 3 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 09, 2022 EUR (€) | Mar. 17, 2022 USD ($) | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2023 EUR (€) | Dec. 31, 2022 USD ($) | Sep. 30, 2022 | Sep. 30, 2019 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  | $ 55.4
Net cash inflow |  |  | $ (13.2) | $ (18.6) |  |  |  |
Forward agreement gain/loss |  |  | 2.0 |  |  |  |  |
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fair value measured on a recurring basis |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Deferred compensation plan assets |  |  | 127.1 |  |  | $ 115.3 |  |
Cash flow hedge |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Net cash inflow |  | $ 19.2 |  |  |  |  |  |
Forward agreement notional amount | € | € 300.0 |  |  |  |  |  |  |
Forward agreement interest rate | 1.936% |  |  |  |  |  |  |
Derivatives Notes Repay | € | € 400.0 |  |  |  |  |  |  |
Forward agreement maturity date | Sep. 30, 2022 |  |  |  |  |  |  |
Fair Value Hedge |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  | 1.05973% |  |  | 1.7975% |
Euro-denominated notes | Estimate of fair value measurement | Significant Other Observable Inputs (Level 2) |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Carrying value of long-term debt |  |  | 940.4 |  |  | 921.7 |  |
Euro-denominated notes | Carrying value | Significant Other Observable Inputs (Level 2) |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Carrying value of long-term debt |  |  | $ 969.3 |  |  | $ 956.6 |  |
Cross-currency swap | Cash flow hedge |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Principal amount | € |  |  |  |  | € 202.3 |  |  |
Interest rate (as a percent) |  |  | 1.256% |  | 1.256% |  |  | 1.143%
Designated as hedging instrument | Notes due June 2027 | Euro-denominated notes |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  | $ 429.6 |  | € 400.0 |  |  |
Designated as hedging instrument | Notes Due June 2026 | Euro-denominated notes |  |  |  |  |  |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |  |  |  |  |  |
Principal amount |  |  | $ 539.7 |  | € 500.0 |  |  |

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