Other Retirement Plans (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) employee	Mar. 31, 2023 USD ($) employee
Covered Employees and Contributions, Multiemployer Plans [Line Items]
Multiemployer plan, employer contribution, cost	$ 38.1	$ 35.2
Pension
Covered Employees and Contributions, Multiemployer Plans [Line Items]
Multiemployer plan, employer contribution, cost	28.1	21.8
Other Multiemployer
Covered Employees and Contributions, Multiemployer Plans [Line Items]
Multiemployer plan, employer contribution, cost	$ 10.0	$ 13.4
Low
Covered Employees and Contributions, Multiemployer Plans [Line Items]
Multiemployer plans, covered employees (in number of employees) | employee	7,290	6,806
High
Covered Employees and Contributions, Multiemployer Plans [Line Items]
Multiemployer plans, covered employees (in number of employees) | employee	9,448	7,581