CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 10,921	$ 73,940
Receivables, net	152,212	43,636
Prepaid expenses and other current assets	14,734	3,612
Income taxes receivable	3,784
Deferred income taxes	3,386	1,340
Total current assets	185,037	122,528
Property and equipment, net	220,318	114,859
Restricted cash and investments	5,724	4,097
Intangible assets, net	280,858	36,832
Goodwill	213,359	21,693
Other assets	11,853	547
Total assets	917,149	300,556
Current Liabilities:
Accounts payable	26,026	7,277
Deferred revenue	11,968	8,870
Accrued liabilities	35,331	8,691
Accrued salaries and benefits	10,911	6,957
Income taxes payable	2,153	4,428
Current portion of closure and post-closure obligations	5,424	949
Current portion of long-term debt	4,002
Total current liabilities	95,815	37,172
Long-term closure and post-closure obligations	53,524	16,519
Long-term debt	408,960
Other long-term liabilities	1,246	69
Unrecognized tax benefits	57	480
Deferred income taxes	107,651	14,778
Total liabilities	667,253	69,018
Commitments and contingencies
Stockholders' Equity:
Common stock $0.01 par value, 50,000 authorized; 21,538 and 18,538 shares issued, respectively	216	215
Additional paid-in capital	165,027	162,830
Retained earnings	88,516	70,597
Treasury stock, at cost, 19 and 71 shares, respectively		(319)
Accumulated other comprehensive income (loss)	(3,863)	(1,785)
Total stockholders' equity	249,896	231,538
Total liabilities and stockholders' equity	$ 917,149	$ 300,556