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Intangible Assets, Net (Intangible Assets Exclusive of Goodwill) (Detail) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
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Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | $ 1,262,757 | $ 1,204,960
Intangible assets, exclusive of goodwill, gross | 1,523,486 | 1,465,689
Indefinite-lived intangible assets, gross carrying amount | 260,729 | 260,729
Finite-lived intangible assets, accumulated amortization | (415,915) | (339,746)
Intangible assets, accumulated impairment loss | (38,507) | (38,507)
Finite-lived intangible assets, net carrying amount | 846,842 | 865,214
Intangible assets, net, exclusive of goodwill | 1,069,064 | 1,087,436
Indefinite-lived intangible assets | 222,222 | 222,222
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 | 158,591
Intangible assets, accumulated impairment loss |  |
Indefinite-lived intangible assets | 158,591 | 158,591
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 | 483,749 | 481,293
Finite-lived intangible assets, accumulated amortization | (150,691) | (123,591)
Finite-lived intangible assets, net carrying amount | 333,058 | 357,702
Customer Lists [Member] |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | 429,801 | 405,683
Finite-lived intangible assets, accumulated amortization | (219,104) | (180,440)
Finite-lived intangible assets, net carrying amount | 210,697 | 225,243
Permits and Other [Member] |  |
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items] |  |
Finite-lived intangible assets, gross carrying amount | 349,207 | 317,984
Finite-lived intangible assets, accumulated amortization | (46,120) | (35,715)
Finite-lived intangible assets, net carrying amount | $ 303,087 | $ 282,269

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