CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 59,122us-gaap_ProfitLoss	$ 349,205us-gaap_ProfitLoss	$ 53,167us-gaap_ProfitLoss
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	51,234	48,737	50,587
Provision for doubtful accounts	1,676us-gaap_ProvisionForDoubtfulAccounts	1,163us-gaap_ProvisionForDoubtfulAccounts	1,494us-gaap_ProvisionForDoubtfulAccounts
Amortization and write off of debt discount and debt issuance costs	114	6,681	2,388
Stock-based compensation	4,323us-gaap_ShareBasedCompensation	4,454us-gaap_ShareBasedCompensation	3,323us-gaap_ShareBasedCompensation
Loss on interest rate derivative contracts		5,408us-gaap_UnrealizedGainLossOnDerivatives
Deferred income taxes	(113)us-gaap_DeferredIncomeTaxExpenseBenefit	(4,849)us-gaap_DeferredIncomeTaxExpenseBenefit	2,502us-gaap_DeferredIncomeTaxExpenseBenefit
Income from discontinued operations		(5,166)	(29,202)
Gain on disposition of long-lived assets		(1,076)us-gaap_GainLossOnDispositionOfAssets	(11,605)us-gaap_GainLossOnDispositionOfAssets
Impairment of intangibles			3,350
Gain on sale of discontinued operations	(1,102)	(307,102)
Changes in operating assets and liabilities, excluding the effects of acquisitions:
Accounts receivable, net	(15,264)	2,233	(1,951)
Materials and supplies, prepayments, and other current assets	(4,817)	(17,117)	(700)
Income tax receivable	(2,620)	14,251	11,545
Accounts payable and accrued liabilities, advance payments and deposits and other current liabilities	7,629	10,472	(4,404)
Accrued taxes	(15,650)	(242,696)	26,416
Other	(1,833)	4,006	7,974
Net cash provided by (used in) operating activities of continuing operations	82,699	(131,396)	114,884
Net cash provided by operating activities of discontinued operations	(4,719)	19,394	72,587
Net cash provided by operating activities	77,980	(112,002)	187,471
Cash flows from investing activities:
Capital expenditures	(58,300)	(69,316)	(42,154)
Acquisition of business, net of acquired cash of $6,571	(50,361)
Restricted cash acquired from acquisition of businesses	(5,884)
Net proceeds from sale of assets	1,371
Change in restricted cash	38,707
Proceeds from disposition of long-lived assets		1,500	15,163
Net cash used in investing activities of continuing operations	(74,467)	(67,816)	(26,991)
Net cash provided by (used in) investing activities of discontinued operations, net		710,934	(35,267)
Net cash provided by (used in) investing activities	(74,467)	643,118	(62,258)
Cash flows from financing activities:
Dividends paid on common stock	(17,488)us-gaap_PaymentsOfDividendsCommonStock	(12,096)us-gaap_PaymentsOfDividendsCommonStock	(18,491)us-gaap_PaymentsOfDividendsCommonStock
Distribution to minority stockholders	(16,331)	(26,155)	(2,458)
Payment of debt issuance costs	(1,945)us-gaap_PaymentsOfDebtIssuanceCosts	(12)us-gaap_PaymentsOfDebtIssuanceCosts	(3,564)us-gaap_PaymentsOfDebtIssuanceCosts
Proceeds from stock option exercises	1,129	2,669	1,452
Principal repayments of term loan		(272,137)us-gaap_RepaymentsOfLongTermDebt	(260,793)us-gaap_RepaymentsOfLongTermDebt
Principal repayments of revolver loan			(74,534)
Purchases of common stock	(1,665)	(1,473)	(344)
Investments made by minority shareholders in consolidated affiliates	2,500	408	1,061
Proceeds from borrowings under term loan			275,000
Proceeds from borrowings under revolver loan			46,378
Repurchase of non-controlling interests	(104)us-gaap_PaymentsToMinorityShareholders		(77)us-gaap_PaymentsToMinorityShareholders
Net cash used in financing activities of continuing operations	(33,904)	(308,796)	(36,370)
Net cash used in financing activities of discontinued operations, net		(1,678)	(931)
Net cash used in financing activities	(33,904)	(310,474)	(37,301)
Effect of foreign currency exchange rates on cash and cash equivalents		(682)
Net change in cash and cash equivalents	(30,391)	219,960	87,912
Cash and cash equivalents, beginning of year	356,607	136,647	48,735
Cash and cash equivalents, end of year	326,216	356,607	136,647
Supplemental cash flow information:
Interest paid	2,930us-gaap_InterestPaid	4,857us-gaap_InterestPaid	14,388us-gaap_InterestPaid
Taxes paid, net	48,349us-gaap_IncomeTaxesPaidNet	256,819us-gaap_IncomeTaxesPaidNet	8,841us-gaap_IncomeTaxesPaidNet
Dividends declared, not paid	$ 4,618	$ 4,285	$ 3,548

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.