Commitments and Contingencies - Other (Details)		2 Months Ended	3 Months Ended
	Mar. 26, 2018 USD ($)	Jan. 31, 2011 item	Mar. 31, 2018 USD ($) site item	Dec. 31, 2017 USD ($)
Commitments And Contingencies [Line Items]
Approximate number of homeowners' properties adjacent to or near certain of our landfills with agreements guaranteeing market value | item			775
Number of landfills adjacent to or near homeowners' properties with agreements guaranteeing market value | item			19
Environmental remediation reasonably possible additional losses high estimate			$ 145,000,000
Environmental remediation liabilities			$ 251,000,000
Number of sites listed on the EPA's NPL for which we have been notified we are a PRP | site			75
Number of owned sites listed on the EPA's NPL for which we have been notified we are a PRP | site			15
Number of non-owned sites listed on the EPA's NPL for which we have been notified we are a PRP | site			60
Dollar threshold for environmental matters requiring disclosure under item 103 of the SEC's Regulation S-K			$ 100,000
Approximate percentage of workforce covered by collective bargaining agreements			20.00%
Expected time of completion of IRS audits			24 months
San Jacinto Waste Pits [Member]
Commitments And Contingencies [Line Items]
Environmental remediation liabilities			$ 55,000,000	$ 55,000,000
Grows North and Tullytown Landfills [Member]
Commitments And Contingencies [Line Items]
Obligations settled	$ 505,100
Waimanalo Gulch Sanitary Landfill
Commitments And Contingencies [Line Items]
Number of major rainfalls | item		2
Wheelabrator [Member]
Commitments And Contingencies [Line Items]
Maximum future payments			$ 85,000,000