Revenue from Contracts with Customers - Costs of Obtaining Contracts (Details) - Costs of obtaining contracts with customers - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Capitalized contract costs
Capitalized contract cost, Beginning of period	$ 42.4	$ 39.5
Deferral	4.7	4.4
Amortization	(4.2)	(4.0)
Capitalized contract cost, End of period	42.9	39.9
Capitalized contract costs, Current and non-current portion
Capitalized contract cost, Current	16.7		$ 16.5
Capitalized contract cost, Non-current	26.2		25.9
Total capitalized contract cost	$ 42.9	$ 39.9	$ 42.4

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479483/340-40-50-3

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479483/340-40-50-3

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current.

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- Definition

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent.

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- Definition

Amount of increase (decrease) in asset recognized from cost incurred to obtain or fulfill contract with customer from deferral.

+ References

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