Financial Instruments (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Derivative Financial Instruments
Investment grade bonds	$ 19.8	$ 30.3
Cash
Derivative Financial Instruments
Deferred compensation, Rabbi Trust	5.5	5.7
Short-term Investments
Derivative Financial Instruments
Deferred compensation, Rabbi Trust	9.0	8.1
Foreign Exchange Forward \| Designated hedges
Derivative Financial Instruments
Fair value	2.1	2.7
Notional value	$ 90.7	127.6
Foreign Exchange Forward \| Designated hedges \| Cash Flow Hedging
Derivative Financial Instruments
Maturity term (less than)	1 year
Foreign Exchange Forward \| Non-designated hedges
Derivative Financial Instruments
Fair value	$ (0.1)	0.2
Notional value	$ 82.5	$ 82.5
Maturity term (less than)	1 year

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements. Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.

+ References

No definition available.

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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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