Summary of Business and Significant Accounting Policies - Remaining Performance Obligation (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 1,766.6	$ 1,732.8
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Revenue, remaining performance obligation, amount	$ 1,031.9
Revenue, remaining performance obligation, expected timing of satisfaction, period	12 months