Property and Equipment, Net - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Gross assets under finance lease	$ 111.8
Gross assets under capital lease		$ 143.8
Accumulated amortization for finance leases	30.5
Accumulated amortization for capital leases		42.5
Amortization expense of assets under finance leases	15.5
Amortization expense of assets under capital leases		17.3	$ 11.6
Depreciation, landfill amortization and depletion expense	$ 247.6	$ 231.2	$ 228.2