Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
CURRENT ASSETS:
Cash and cash equivalents	$ 47,081	$ 63,516
Marketable securities	0	16,770
Accounts receivable, net (includes amounts owed by related parties of $0 and $36, respectively)	310,731	294,669
Inventories	85,890	97,508
Prepaid expenses and other assets	31,882	43,135
Restricted cash	0	12,845
Total current assets	475,584	528,443
Property, plant and equipment, net	574,584	493,196
Goodwill	16,080	188,275
Intangible assets, net	30,941	28,837
Investments	8,797	9,736
Other assets	11,819	14,434
Restricted cash	105,815	104,815
TOTAL ASSETS	1,223,620	1,367,736
CURRENT LIABILITIES:
Revolving line of credit	23,149	16,679
Current maturities of long-term debt	5,206	5,746
Accounts payable (includes amounts owed to related parties of $0 and $1,101 respectively)	236,817	202,821
Accrued expenses and other liabilities	28,466	28,486
Deferred income taxes	0	14,899
Deferred revenue	333	16,680
Total current liabilities	293,971	285,311
Unfavorable lease obligation	17,343	19,170
Deferred income taxes	19,186	6,905
Contingent consideration for acquisitions	26,949	30,091
Long-term debt (net of debt issuance costs of $4,105 and $5,152, respectively)	247,251	242,031
Other liabilities	4,910	5,566
Total liabilities	$ 609,610	$ 589,074
COMMITMENTS AND CONTINGENCIES
EQUITY:
Common stock ($.0001 par value; 300,000,000 shares authorized; 43,837,714 and 44,422,881 shares outstanding, respectively)	$ 4	$ 4
Common stock—additional paid-in-capital	474,367	453,109
Retained earnings	169,680	321,083
Accumulated other comprehensive loss	(4,009)	(11)
Treasury stock (3,178,372 and 585,150 shares, respectively)	(28,762)	(4,412)
Total equity attributable to the Company's shareholders	611,280	769,773
Noncontrolling interest	2,730	8,889
Total equity	614,010	778,662
TOTAL LIABILITIES AND EQUITY	$ 1,223,620	$ 1,367,736