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Derivative Financial Instruments and Fair Value Measurements - Additional Information (Details) $ in Millions	Jun. 30, 2019 USD ($)	Jun. 30, 2019 EUR (€)	Apr. 30, 2019 USD ($)	Dec. 31, 2018 USD ($)
Level 1 Inputs | Fair value measured on a recurring basis
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation plan assets	$ 101.6			$ 89.5
Euro-denominated notes | Fair value | Level 2 Inputs
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying value of long-term debt	1,083.5			1,052.9
Euro-denominated notes | Carrying value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Carrying value of long-term debt	1,016.7			$ 1,024.6
Cross-currency swap | Cash flow hedge
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt			$ 202.3
Fixed annual interest rate			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	453.3	€ 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	$ 563.4	€ 500,000,000.0

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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No definition available.

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Fair value portion of notes payable.

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