Overview, Basis of Presentation and Significant Accounting Policies - Summary of Current Expected Credit Loss Reserve (Parenthetical) (Details) - USD ($) $ in Millions		12 Months Ended
	Jan. 01, 2020	Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Accounts and Financing Receivable, Allowance for Credit Loss		$ 12.0		$ 10.1
Provision of unbilled receivables and contract assets		0.7		0.4
Adoption of ASU 2016-13
Financing Receivable, Allowance for Credit Loss [Line Items]
Receivables, allowance for doubtful accounts						$ 7.7
Prior period reclassification adjustment	$ 0.5	$ 0.0	[1]	$ 0.5	[1]	$ 0.0	[1]

[1] On January 1, 2020, the Company adopted ASU 2016-13, Financial Instruments - Credit Losses (Topic 326) Measurement of Credit Losses on Financial Instruments, and recorded a $0.5 million cumulative-effect adjustment to retained earnings.