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Derivative Financial Instruments and Fair Value Measurements - Additional Information (Details) $ in Millions	Mar. 31, 2021 USD ($)	Mar. 31, 2021 EUR (€)	Dec. 31, 2020 USD ($)	Sep. 30, 2019 EUR (€)	Apr. 30, 2019 EUR (€)
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	$ 128.6		$ 119.4
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	1,112.2		1,159.1
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	1,051.1		$ 1,094.5
Cross-currency swap \| Cash flow hedge
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt \| €				€ 55,400,000	€ 202,300,000
Fixed annual interest rate				1.143%	1.256%
Designated as hedging instrument \| Notes due September 2022 \| Euro-denominated notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	468.5	€ 400,000,000.0
Designated as hedging instrument \| Notes Due June 2026 \| Euro-denominated notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 582.6	€ 500,000,000.0