Accounting Policies - Schedule of Estimated Cash Payments to Settle Claims (Details) $ in Millions	Dec. 31, 2022 USD ($)
Liability for Claims and Claims Adjustment Expense [Line Items]
2023	$ 106.2
2024	71.0
2025	46.1
2026	29.0
2027	18.7
Thereafter	76.1
Total	347.1
Workers’ Compensation
Liability for Claims and Claims Adjustment Expense [Line Items]
2023	70.0
2024	43.3
2025	28.1
2026	18.2
2027	13.2
Thereafter	71.9
Total	244.7
Third-Party Liability Claims
Liability for Claims and Claims Adjustment Expense [Line Items]
2023	36.2
2024	27.7
2025	18.0
2026	10.8
2027	5.5
Thereafter	4.2
Total	$ 102.4