Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Tax Disclosure [Abstract]

Schedule of Provision for Income Taxes

For the years ended December 31, 2013, 2012 and 2011, the provision for income taxes is comprised of the following:

	2013			2012			2011
Current income tax (benefit) provision
Federal	$	(113	)	$	(70	)	$	(70	)
State		1,086			542			1,277
Foreign		13			31			24
Total current income tax provision		986			503			1,231
Deferred income tax provision (benefit):
Federal		27,852			37,873			11,429
State		(3,834	)		1,106			768
Total deferred income tax provision		24,018			38,979			12,197
Total income tax provision	$	25,004		$	39,482		$	13,428

Components of Deferred Income Tax Assets and Liabilities

The components of deferred income tax assets and liabilities as of December 31, 2013 and 2012 are as follows:

	2013			2012
Deferred income tax assets:
Acquisition and debt related costs	$	4,534		$	22,651
Net operating loss		270,467			222,702
Self-insurance		8,686			7,912
Deferred revenue		2,134			1,077
Other		8,156			5,736
Total deferred income tax assets		293,977			260,078
Deferred income tax liabilities:
Property and equipment		(245,418	)		(199,836	)
Goodwill		(28,242	)		(21,028	)
Amortization		(12,613	)		(11,307	)
Other		(8,593	)		(4,146	)
Total deferred income tax liabilities		(294,866	)		(236,317	)
Net deferred income tax (liabilities) assets	$	(889	)	$	23,761

Schedule of Reconciliation between U.S. Federal Statutory Income Tax Rate and Company's Effective Income Tax Provision (Benefit) Rate

The reconciliation between the U.S. federal statutory income tax rate and the Company’s effective income tax provision (benefit) rate for the years ended December 31, 2013, 2012 and 2011, is as follows:

	2013			2012			2011
Income tax rate at federal statutory rates		35.00	%		35.00	%		35.00	%
State taxes, net of federal benefit		(0.93	)		1.36			5.57
Other		(0.94	)		(2.59	)		0.69
Income tax rate		33.13	%		33.77	%		41.26	%