Fair Value Measurements - Assets and Liabilities Subject to Fair Value Measurements (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	$ 20.0
Debt securities	12.1
Total assets	36.7	$ 3.3
Total liabilities	4.5	10.2
Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	0.0
Debt securities	0.0
Total assets	0.0	0.0
Total liabilities	0.0	0.0
Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	0.0
Debt securities	0.0
Total assets	4.6	3.3
Total liabilities	4.5	10.2
Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity securities	20.0
Debt securities	12.1
Total assets	32.1	0.0
Total liabilities	0.0	0.0
Foreign currency forward exchange contracts
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency forward exchange contracts	0.9
Foreign currency forward exchange contracts	0.1	1.6
Foreign currency forward exchange contracts | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency forward exchange contracts	0.0
Foreign currency forward exchange contracts	0.0	0.0
Foreign currency forward exchange contracts | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency forward exchange contracts	0.9
Foreign currency forward exchange contracts	0.1	1.6
Foreign currency forward exchange contracts | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Foreign currency forward exchange contracts	0.0
Foreign currency forward exchange contracts	0.0	0.0
Cross-currency swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	2.6	2.5
Derivative liability	4.0	6.7
Cross-currency swaps | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	0.0	0.0
Derivative liability	0.0	0.0
Cross-currency swaps | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	2.6	2.5
Derivative liability	4.0	6.7
Cross-currency swaps | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	0.0	0.0
Derivative liability	0.0	0.0
Interest rate swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	1.1	0.8
Derivative liability	0.4	1.9
Interest rate swaps | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	0.0	0.0
Derivative liability	0.0	0.0
Interest rate swaps | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	1.1	0.8
Derivative liability	0.4	1.9
Interest rate swaps | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	0.0	0.0
Derivative liability	$ 0.0	$ 0.0