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Goodwill and Intangible Assets, Net (Intangible Assets Exclusive of Goodwill) (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount $ 1,201,370 $ 1,090,809
Intangible assets, exclusive of goodwill, gross 1,462,099 1,345,708
Indefinite-lived intangible assets, gross carrying amount 260,729 254,899
Finite-lived intangible assets, accumulated amortization (314,631) (240,043)
Intangible assets, accumulated impairment loss (38,507) (38,507)
Finite-lived intangible assets, net carrying amount 886,739 850,766
Intangible assets, net, exclusive of goodwill 1,108,961 1,067,158
Indefinite-lived intangible assets 222,222 216,392
Solid Waste Collection and Transportation Permits [Member]    
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets, gross carrying amount 158,591 152,761
Intangible assets, accumulated impairment loss  
Indefinite-lived intangible assets 158,591 152,761
Material Recycling Facility Permits [Member]    
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets, gross carrying amount 42,283 42,283
Intangible assets, accumulated impairment loss  
Indefinite-lived intangible assets 42,283 42,283
Exploration and Production Facility Permits [Member]    
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets, gross carrying amount 59,855 59,855
Intangible assets, accumulated impairment loss (38,507) (38,507)
Indefinite-lived intangible assets 21,348 21,348
Long-term Franchise Agreements and Contracts [Member]    
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 482,298 428,783
Finite-lived intangible assets, accumulated amortization (114,040) (86,552)
Finite-lived intangible assets, net carrying amount 368,258 342,231
Customer Lists [Member]    
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 400,737 371,203
Finite-lived intangible assets, accumulated amortization (168,290) (131,525)
Finite-lived intangible assets, net carrying amount 232,447 239,678
Permits and Other [Member]    
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, gross carrying amount 318,335 290,823
Finite-lived intangible assets, accumulated amortization (32,301) (21,966)
Finite-lived intangible assets, net carrying amount $ 286,034 $ 268,857