CONDENSED CONSOLIDATED STATEMENTS OF INCOME - UNAUDITED - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Cloud and related solutions	$ 177,516	$ 158,777
Software and services	11,959	15,058
Maintenance	12,229	18,635
Total revenues	201,704	192,470
Cost of revenues (exclusive of depreciation, shown separately below):
Cloud and related solutions	86,908	76,052
Software and services	8,533	11,274
Maintenance	5,655	10,382
Total cost of revenues	101,096	97,708
Other operating expenses:
Research and development	29,379	26,840
Selling, general and administrative	40,648	37,346
Depreciation	3,914	3,315
Restructuring and reorganization charges	900	248
Total operating expenses	175,937	165,457
Operating income	25,767	27,013
Other income (expense):
Interest expense	(4,266)	(4,306)
Amortization of original issue discount	(652)	(888)
Interest and investment income, net	811	806
Loss on extinguishment of debt	(810)
Other, net	(646)	(275)
Total other	(5,563)	(4,663)
Income before income taxes	20,204	22,350
Income tax provision	(6,190)	(2,113)
Net income	$ 14,014	$ 20,237
Weighted-average shares outstanding:
Basic	32,528	32,016
Diluted	33,102	32,594
Earnings per common share:
Basic	$ 0.43	$ 0.63
Diluted	$ 0.42	$ 0.62