Fair Value Measurements - Assets and Liabilities at Fair Value (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	$ 0.1	$ 33.1
Contingent consideration	2.7	4.2
Interest rate swaps	0.7	3.0
Fair Value, Inputs, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	0.1	33.1
Contingent consideration	0.0	0.0
Interest rate swaps	0.0	0.0
Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	0.0	0.0
Contingent consideration	0.0	0.0
Interest rate swaps	0.7	3.0
Fair Value, Inputs, Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash equivalents	0.0	0.0
Contingent consideration	2.7	4.2
Interest rate swaps	$ 0.0	$ 0.0