Intangible Assets, Net (Intangible Assets Exclusive of Goodwill) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 390,378	$ 389,857
Intangible assets, exclusive of goodwill, gross	644,021	643,500
Finite-lived intangible assets, accumulated amortization	(128,845)	(115,629)
Finite-lived intangible assets, net carrying amount	261,533	274,228
Intangible assets, net, exclusive of goodwill	515,176	527,871
Indefinite-lived intangible assets, gross carrying amount	253,643	253,643
Indefinite-lived intangible assets	253,643	253,643
Solid Waste Collection and Transportation Permits [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross carrying amount	151,505	151,505
Indefinite-lived intangible assets	151,505	151,505
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
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
Indefinite-lived intangible assets	59,855	59,855
Long-term Franchise Agreements and Contracts [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	195,887	196,110
Finite-lived intangible assets, accumulated amortization	(48,686)	(45,114)
Finite-lived intangible assets, net carrying amount	147,201	150,996
Customer Lists [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	153,122	152,378
Finite-lived intangible assets, accumulated amortization	(68,981)	(59,950)
Finite-lived intangible assets, net carrying amount	84,141	92,428
Permits and Non-Competition Agreements [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	41,369	41,369
Finite-lived intangible assets, accumulated amortization	(11,178)	(10,565)
Finite-lived intangible assets, net carrying amount	$ 30,191	$ 30,804