CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current Assets:
Cash and cash equivalents	$ 5,989	$ 22,971
Receivables, net	106,380	135,261
Prepaid expenses and other current assets	8,484	10,351
Income taxes receivable	2,017	6,912
Deferred income taxes		2,109
Total current assets	122,870	177,604
Property and equipment, net	210,334	227,684
Restricted cash and investments	5,748	5,729
Intangible assets, net	239,571	278,667
Goodwill	191,823	217,609
Other assets	1,641	2,669
Deferred income taxes		85
Total assets	771,987	910,047
Current Liabilities:
Accounts payable	17,169	24,513
Deferred revenue	8,078	13,190
Accrued liabilities	25,634	36,251
Accrued salaries and benefits	11,513	13,322
Income taxes payable	117	4,124
Current portion of closure and post-closure obligations	2,787	5,359
Current portion of long-term debt	3,056	3,976
Total current liabilities	68,354	100,735
Long-term closure and post-closure obligations	68,367	67,511
Long-term debt	290,684	380,405
Other long-term liabilities	5,825	4,336
Deferred income taxes	82,622	105,723
Total liabilities	$ 515,852	$ 658,710
Commitments and contingencies
Stockholders' Equity:
Common stock $0.01 par value, 50,000 authorized; 21,744 and 21,632 shares issued, respectively	$ 217	$ 216
Additional paid-in capital	169,873	165,524
Retained earnings	103,300	93,301
Treasury stock, at cost, 5 and 1 shares, respectively	(189)	(18)
Accumulated other comprehensive loss	(17,066)	(7,686)
Total stockholders' equity	256,135	251,337
Total liabilities and stockholders' equity	$ 771,987	$ 910,047