Intangible Assets, Net (Tables)

3 Months Ended

Mar. 31, 2013

Intangible Assets Exclusive of Goodwill

Intangible assets, exclusive of goodwill, consisted of the following at March 31, 2013:

	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	198,768	$	(40,400	)	$	158,368
Customer lists		139,354		(47,630	)		91,724
Non-competition agreements		9,374		(6,917	)		2,457
Other		32,098		(2,828	)		29,270
		379,594		(97,775	)		281,819
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		151,505		—			151,505
Material recycling facility permits		42,283		—			42,283
E&P facility permits		59,855		—			59,855
		253,643		—			253,643
Intangible assets, exclusive of goodwill	$	633,237	$	(97,775	)	$	535,462

Intangible assets, exclusive of goodwill, consisted of the following at December 31, 2012:

	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	198,779	$	(38,447	)	$	160,332
Customer lists		139,354		(43,457	)		95,897
Non-competition agreements		9,374		(6,815	)		2,559
Other		32,098		(2,621	)		29,477
		379,605		(91,340	)		288,265
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		151,505		—			151,505
Material recycling facility permits		42,283		—			42,283
E&P facility permits		59,855		—			59,855
		253,643		—			253,643
Intangible assets, exclusive of goodwill	$	633,248	$	(91,340	)	$	541,908

Estimated Future Amortization Expense of Amortizable Intangible Assets

Estimated future amortization expense for the next five years of finite-lived intangible assets is as follows:

For the year ending December 31, 2013	$	25,061
For the year ending December 31, 2014	$	24,372
For the year ending December 31, 2015	$	23,758
For the year ending December 31, 2016	$	19,803
For the year ending December 31, 2017	$	17,831