CONDENSED CONSOLIDATED STATEMENTS OF INCOME - UNAUDITED - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenues:
Cloud and related solutions	$ 151,217	$ 143,887	$ 451,023	$ 429,009
Software and services	18,634	23,231	58,964	68,301
Maintenance	19,460	19,842	55,802	57,922
Total revenues	189,311	186,960	565,789	555,232
Cost of revenues (exclusive of depreciation, shown separately below):
Cloud and related solutions	70,150	67,428	206,578	201,455
Software and services	12,230	15,244	37,057	52,912
Maintenance	11,040	9,510	32,051	29,877
Total cost of revenues	93,420	92,182	275,686	284,244
Other operating expenses:
Research and development	23,572	24,941	71,479	76,567
Selling, general and administrative	32,508	34,247	101,539	102,261
Depreciation	3,398	3,723	10,423	11,268
Restructuring and reorganization charges	(185)	846	(601)	1,822
Total operating expenses	152,713	155,939	458,526	476,162
Operating income	36,598	31,021	107,263	79,070
Other income (expense):
Interest expense	(4,398)	(2,526)	(11,876)	(8,431)
Amortization of original issue discount	(1,062)	(1,576)	(3,856)	(4,639)
Interest and investment income, net	707	278	1,698	674
Loss on repurchase of convertible notes	(332)		(8,651)
Other, net	(1,354)	746	(4,040)	426
Total other	(6,439)	(3,078)	(26,725)	(11,970)
Income before income taxes	30,159	27,943	80,538	67,100
Income tax provision	(12,265)	(11,196)	(30,303)	(28,201)
Net income	$ 17,894	$ 16,747	$ 50,235	$ 38,899
Weighted-average shares outstanding:
Basic	31,063	30,920	30,922	31,087
Diluted	32,639	33,287	33,041	33,241
Earnings per common share:
Basic	$ 0.58	$ 0.54	$ 1.62	$ 1.25
Diluted	0.55	0.50	1.52	1.17
Cash dividends declared per common share	$ 0.185	$ 0.175	$ 0.56	$ 0.53