CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 122,521	$ 41,281
Receivables, net	211,181	255,310
Prepaid expenses and other current assets	30,524	25,136
Income taxes receivable	10,842	11,244
Total current assets	375,068	332,971
Property and equipment, net	483,578	478,768
Operating lease assets	52,202	57,396
Restricted cash and investments	5,172	5,069
Intangible assets, net	555,973	574,902
Goodwill	469,278	766,980
Other assets	14,878	15,158
Total assets	1,956,149	2,231,244
Current Liabilities:
Accounts payable	38,048	46,906
Deferred revenue	19,258	14,788
Accrued liabilities	38,759	65,869
Accrued salaries and benefits	24,786	29,653
Income taxes payable	2,572	726
Short-term borrowings	3,978
Current portion of long-term debt	3,359	3,359
Current portion of closure and post-closure obligations	3,374	2,152
Current portion of operating lease liabilities	17,312	17,317
Total current liabilities	151,446	180,770
Long-term debt	854,163	765,842
Long-term closure and post-closure obligations	84,672	84,231
Long-term operating lease liabilities	35,121	39,954
Other long-term liabilities	35,164	20,722
Deferred income taxes, net	122,636	128,345
Total liabilities	1,283,202	1,219,864
Commitments and contingencies (See Note 16)
Stockholders' Equity:
Common stock $0.01 par value per share, 50,000 authorized; 31,139 and 31,461 shares issued and outstanding, respectively	315	315
Additional paid-in capital	817,557	816,345
Retained (deficit) earnings	(102,362)	206,574
Treasury stock, at cost, 370 and 0 shares, respectively	(16,366)
Accumulated other comprehensive loss	(26,197)	(11,854)
Total stockholders' equity	672,947	1,011,380
Total liabilities and stockholders' equity	$ 1,956,149	$ 2,231,244