Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income	$ 72,481	$ 78,657
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	53,761	50,440
Amortization of debt issue costs and accretion of discount	1,530	1,256
Operating lease amortization	4,377	3,966
Provision for expected credit losses and sundry losses	1,732	3,224
Deferred tax benefit	(2,082)	(4,197)
Share-based compensation	10,785	10,168
Loss on disposition of property and equipment and other intangibles	753	691
Earnings of equity method investment	(733)	(726)
Dividend received from equity method investment	0	485
Decrease (increase) in assets:
Accounts receivable, net	(7,096)	6,475
Prepaid expenses and other assets	(7,138)	(7,268)
Other long-term assets	284	(1,450)
(Decrease) increase in liabilities:
Accrued liabilities and accounts payable	(7,969)	(6,834)
Income tax payable	1,548	(2,080)
Unearned income	2,350	6,718
Operating lease liabilities	(5,720)	(4,825)
Other long-term liabilities	2,296	1,467
Total adjustments	48,678	57,510
Net cash provided by operating activities	121,159	136,167
Cash flows from investing activities
Additions to software	(23,521)	(27,969)
Property and equipment acquired	(13,402)	(21,994)
Proceeds from sales of property and equipment	3	101
Net cash used in investing activities	(36,920)	(49,862)
Cash flows from financing activities
Statutory withholding taxes paid on share-based compensation	(3,456)	(6,304)
Repayment of short-term borrowings for purchase of equipment and software	(1,553)	(852)
Dividends paid	(10,786)	(10,824)
Repurchase of common stock	(7,300)	(28,449)
Repayment of long-term debt	(27,685)	(10,688)
Net cash used in financing activities	(50,780)	(57,117)
Effect of foreign exchange rate on cash, cash equivalents and restricted cash	(2,384)	0
Net increase in cash, cash equivalents and restricted cash	31,075	29,188
Cash, cash equivalents and restricted cash at beginning of the period	131,121	86,746
Cash, cash equivalents and restricted cash at end of the period	162,196	115,934
Reconciliation of cash, cash equivalents and restricted cash
Cash and cash equivalents	144,147	102,535
Restricted cash	18,049	13,399
Cash, cash equivalents and restricted cash	162,196	115,934
Supplemental disclosure of cash flow information:
Cash paid for interest	18,081	21,668
Cash paid for income taxes	15,257	12,535
Supplemental disclosure of non-cash activities:
Payable due to vendor related to equipment and software acquired	$ 1,486	$ 2,707