CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income (loss)	$ (492)us-gaap_ProfitLoss	$ 10,401us-gaap_ProfitLoss
Adjustments to reconcile net income (loss) to net cash flows provided by operating activities:
Depreciation and amortization	14,751	11,980
Provision for doubtful accounts	291us-gaap_ProvisionForDoubtfulAccounts	914us-gaap_ProvisionForDoubtfulAccounts
Amortization of debt discount and debt issuance costs	140	24
Stock-based compensation	1,224us-gaap_ShareBasedCompensation	1,058us-gaap_ShareBasedCompensation
Income from discontinued operations, net of tax	(390)
Loss on deconsolidation of subsidiary	19,937us-gaap_DeconsolidationGainOrLossAmount
Changes in operating assets and liabilities, excluding the effects of acquisitions:
Accounts receivable, net of allowances of $11.3 million and $10.2 million, respectively	5,142	(761)
Materials and supplies, prepayments, and other current assets	(1,247)	(2,323)
Accounts payable and accrued liabilities, advance payments and deposits and other current liabilities	(5,756)	(2,585)
Accrued taxes	5,952	(23,128)
Other	(4,687)	(2,186)
Net cash provided by (used in) operating activities of continuing operations	34,865	(6,606)
Net cash provided by (used in) operating activities of discontinued operations	589	(2,429)
Net cash provided by (used in) operating activities	35,454	(9,035)
Cash flows from investing activities:
Capital expenditures	(13,812)	(8,736)
Acquisition of business (Note 4)	(2,600)
Proceeds from disposition of long-lived assets (Note 5)	5,873	1,371
Decrease in restricted cash	39,635	19,204
Net cash provided by investing activities of continuing operations	29,096	11,839
Cash flows from financing activities:
Dividends paid on common stock	(4,618)us-gaap_PaymentsOfDividendsCommonStock	(4,278)us-gaap_PaymentsOfDividendsCommonStock
Distributions to non-controlling interests	(3,066)	(1,482)
Payment of debt issuance costs	(30)us-gaap_PaymentsOfDebtIssuanceCosts
Repayments of long-term debt	(1,483)us-gaap_RepaymentsOfLongTermDebt
Proceeds from stock option exercises	277	435
Purchases of common stock	(1,513)	(1,260)
Net cash used in financing activities of continuing operations	(10,433)	(6,585)
Net change in cash and cash equivalents	54,117	(3,781)
Cash and cash equivalents, beginning of period	326,216	356,607
Cash and cash equivalents, end of period	$ 380,333	$ 352,826

This element represents the net change during the reporting period in the aggregate amount of obligations and expenses incurred but not paid, which also includes the amount of prepayment by customers for goods or services to be provided and the amount of customer money held in customer accounts, which may also include other current liabilities.

No definition available.