Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities
Net income (loss)	$ 55,070	$ (44,660)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	49,457	53,074
Amortization of debt issue costs and premium and accretion of discount	2,315	3,136
Write-off of debt issue costs, premium and discount accounted as loss on extinguishment		16,555
Provision for doubtful accounts and sundry losses	1,102	954
Deferred tax benefit	(1,486)	(6,723)
Share-based compensation	1,314	5,719
Unrealized loss (gain) of indemnification assets	459	(21)
Loss on disposition of property and equipment and other intangibles	23	30
Earnings of equity method investment	(905)	(823)
Dividend received from equity method investment	326	500
Decrease (increase) in assets:
Accounts receivable, net	309	9,035
Prepaid expenses and other assets	(4,283)	(2,591)
Other long-term assets	2,497	(1,928)
(Decrease) increase in liabilities:
Accounts payable and accrued liabilities	(7,357)	(18,485)
Income tax payable	1,686	(2,713)
Unearned income	3,271	2,625
Total adjustments	48,728	58,344
Net cash provided by operating activities	103,798	13,684
Cash flows from investing activities
Net increase in restricted cash	(693)	(157)
Intangible assets acquired	(9,100)	(9,591)
Property and equipment acquired	(7,463)	(7,380)
Proceeds from sales of property and equipment	44	16
Net cash used in investing activities	(17,212)	(17,112)
Cash flows from financing activities
Proceeds from initial public offering, net of offering costs of $12,567		112,369
Proceeds from issuance of long-term debt		700,000
Statutory minimum withholding taxes paid on cashless exercises of stock options	(1,004)	(16,704)
Debt issuance costs		(12,077)
Net decrease in short-term borrowing	(42,000)	(22,663)
Proceeds from short-term borrowing for purchase of equipment		1,800
Repayment of short-term borrowing for purchase of equipment	(1,200)
Dividends paid	(23,547)	(8,192)
Tax windfall benefits on exercises of stock options	1,937	1,627
Issuance of common stock, net	314	91
Repayment of other financing agreement	(95)	(224)
Repayment of long-term debt	(14,250)	(750,273)
Net cash (used in) provided by financing activities	(79,845)	5,754
Net increase in cash	6,741	2,326
Cash at beginning of the period	22,485	25,634
Cash at end of the period	29,226	27,960
Supplemental disclosure of non-cash activities:
Dividend declared not received from equity method investment	326	500
Foreign currency translation adjustments	(6,573)	1,750
Trade payable due to vendor related to software acquired		$ 2,903