Revenues - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Contract with Customer, Liability	$ 78.2	$ 79.9
Contract with Customer, Liability, Noncurrent	35.0	33.4
Contract with Customer, Asset, Net	472.6	431.2
Contract with Customer, Liability	113.2	113.3
Deferred Costs	$ 96.5	76.0
Cost to Obtain
Segment Reporting Information [Line Items]
Capitalized contract cost, amortization period	15 years
Deferred Costs	$ 27.3	23.0
Capitalized Contract Cost, Amortization	6.8	5.2
Cost to Fulfill
Segment Reporting Information [Line Items]
Deferred Costs	122.6	108.7
Capitalized Contract Cost, Amortization	7.3	6.7
Incentive and Profit-sharing Contingent Commissions
Segment Reporting Information [Line Items]
Deferred Revenue, Revenue Recognized	28.2	25.8	$ 23.3
2022 Acquisition
Segment Reporting Information [Line Items]
Contract with Customer, Asset, Net		12.0
Contract with Customer, Liability		4.4
2022 Acquisition | Cost to Fulfill
Segment Reporting Information [Line Items]
Capitalized Contract Cost, Amortization		$ 14.1
2023 Acquisition
Segment Reporting Information [Line Items]
Contract with Customer, Asset, Net	13.6
Contract with Customer, Liability	6.8
2023 Acquisition | Cost to Fulfill
Segment Reporting Information [Line Items]
Capitalized Contract Cost, Amortization	$ 6.3