Segment and Related Information (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Schedule of Segment Revenues and Operations

For the three months ended September 30, 2017
	Enterprise Software		Appraisal and Tax		Corporate			Totals
Revenues
Software licenses and royalties	$	18,223	$	1,619	$	—		$	19,842
Subscriptions	42,826		2,014		—			44,840
Software services	42,295		5,184		—			47,479
Maintenance	86,576		5,709		—			92,285
Appraisal services	—		6,290		—			6,290
Hardware and other	3,412		—		(2		)	3,410
Intercompany	2,660		—		(2,660		)	—
Total revenues	$	195,992	$	20,816	$	(2,662	)	$	214,146
Segment operating income	$	60,511	$	5,479	$	(13,578	)	$	52,412

For the nine months ended September 30, 2017
	Enterprise Software		Appraisal and Tax		Corporate			Totals
Revenues
Software licenses and royalties	$	50,151	$	5,021	$	—		$	55,172
Subscriptions	120,191		5,698		—			125,889
Software services	125,658		14,211		—			139,869
Maintenance	253,048		15,508		—			268,556
Appraisal services	—		19,268		—			19,268
Hardware and other	9,435		—		4,622			14,057
Intercompany	7,309		—		(7,309		)	—
Total revenues	$	565,792	$	59,706	$	(2,687	)	$	622,811
Segment operating income	$	166,692	$	14,103	$	(37,468	)	$	143,327

For the three months ended September 30, 2016
	Enterprise Software		Appraisal and Tax		Corporate			Totals
Revenues
Software licenses and royalties	$	18,492	$	1,438	$	—		$	19,930
Subscriptions	35,169		1,700		—			36,869
Software services	40,608		4,130		—			44,738
Maintenance	78,292		4,708		—			83,000
Appraisal services	—		6,541		—			6,541
Hardware and other	3,428		—		(9		)	3,419
Intercompany	1,971		—		(1,971		)	—
Total revenues	$	177,960	$	18,517	$	(1,980	)	$	194,497
Segment operating income	$	52,372	$	4,713	$	(11,084	)	$	46,001

For the nine months ended September 30, 2016
	Enterprise Software		Appraisal and Tax		Corporate			Totals
Revenues
Software licenses and royalties	$	50,585	$	3,746	$	—		$	54,331
Subscriptions	99,470		5,456		—			104,926
Software services	121,372		11,836		—			133,208
Maintenance	223,802		13,973		—			237,775
Appraisal services	—		20,083		—			20,083
Hardware and other	9,406		16		3,017			12,439
Intercompany	4,743		—		(4,743		)	—
Total revenues	$	509,378	$	55,110	$	(1,726	)	$	562,762
Segment operating income	$	139,151	$	13,534	$	(29,774	)	$	122,911

Reconciliation of Operating Income from Segments to Consolidated

	Three months ended September 30,						Nine months ended September 30,
Reconciliation of reportable segment operating income to the Company's consolidated totals:	2017			2016			2017			2016
Total segment operating income	$	52,412		$	46,001		$	143,327		$	122,911
Amortization of acquired software	(5,473		)	(5,598		)	(16,243		)	(16,737		)
Amortization of customer and trade name intangibles	(3,492		)	(3,458		)	(10,413		)	(10,273		)
Other expense, net	75			(526		)	(216		)	(1,713		)
Income before income taxes	$	43,522		$	36,419		$	116,455		$	94,188