Fair Value Measurement - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accounts receivable, net	$ 852.9		$ 741.6
Accounts receivable, allowances	13.2		14.3
Decrease in accounts receivable, allowances	1.1
Available for sale debt securities	58.2		61.4
Available for sale debt securities, amortized cost	59.8		62.6
Available for sale debt securities, allowance for credit losses	0.0
Available for sale debt securities, unrealized losses	1.6		1.3
Available for sale debt securities with unrealized losses, fair value	58.1		53.7
Trading securities	21.3		18.8
Purchase of trading securities related to deferred compensation plans	3.4	$ 2.0
Proceeds from securities sold	2.0	$ 3.8
Long-term debt	1,439.7		1,437.9
Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Long-term debt	1,439.7		1,437.9
Long-term debt, fair value	$ 1,308.9		$ 1,306.5

Amount of allowance for credit loss on accounts receivable, classified as current.

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