CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net loss	$ (20,238)	$ (34,002)
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation	11,831	11,875
Amortization	42,799	37,469
Amortization of operating lease right-of-use assets	7,029	0
Amortization of deferred debt issuance costs	1,683	1,445
Deferred income taxes	(41,331)	(3,044)
Stock-based compensation expense	20,957	14,067
Other	1,533	(248)
Changes in operating assets and liabilities, net of impact of acquisitions:
Receivables	88,596	67,689
Accounts payable	1,294	(3,658)
Accrued employee compensation	(1,163)	(5,805)
Current income taxes	(5,634)	(7,243)
Deferred revenue	(17,981)	10,142
Other current and noncurrent assets and liabilities	(32,510)	(17,576)
Net cash flows from operating activities	56,865	71,111
Cash flows from investing activities:
Purchases of property and equipment	(9,915)	(11,108)
Purchases of software and distribution rights	(11,300)	(16,776)
Acquisition of businesses, net of cash acquired	(758,546)	0
Other	0	(1,467)
Net cash flows from investing activities	(779,761)	(29,351)
Cash flows from financing activities:
Proceeds from issuance of common stock	1,753	1,564
Proceeds from exercises of stock options	5,816	14,906
Repurchase of restricted share awards and restricted share units for tax withholdings	(2,809)	(2,588)
Repurchases of common stock	(631)	(54,527)
Proceeds from revolving credit facility	250,000	85,000
Repayment of revolving credit facility	(15,000)	(84,000)
Proceeds from term portion of credit agreement	500,000	0
Repayment of term portion of credit agreement	(9,424)	(10,375)
Payments for debt issuance costs	(12,830)	0
Payments on other debt	(2,220)	(1,550)
Net cash flows from financing activities	714,655	(51,570)
Effect of exchange rate fluctuations on cash	(865)	(867)
Net decrease in cash and cash equivalents	(9,106)	(10,677)
Cash and cash equivalents, beginning of period	148,502	69,710
Cash and cash equivalents, end of period	139,396	59,033
Supplemental cash flow information
Income taxes paid	15,476	20,613
Interest paid	$ 23,937	$ 17,297