Goodwill and Other Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of Changes in Carrying Amount of Goodwill by Reportable Segment

The changes in the carrying amount of goodwill by reportable segment for the year ended December 31, 2016 and 2015 were as follows (in thousands):

	Financial Services			Real Estate Services		Total
Balance at December 31, 2014	$	134,898		$	257,672	$	392,570
Acquisitions		453,833			127,685		581,518
Divestitures		(163,300	)		—		(163,300	)
Measurement period adjustments		(2,658	)		7,480		4,822
Cumulative translation adjustment		(3,844	)		—		(3,844	)
Balance at December 31, 2015	$	418,929		$	392,837	$	811,766
Acquisitions		36,281			17,086		53,367
Measurement period adjustments		(3,803	)		2,732		(1,071	)
Cumulative translation adjustment		(372	)		—		(372	)
Balance at December 31, 2016	$	451,035			412,655	$	863,690

Components of Other Intangible Assets

Other intangible assets consisted of the following (in thousands, except weighted-average remaining life):

	December 31, 2016
	Gross Amount		Accumulated Amortization		Net Carrying Amount		Weighted- Average Remaining Life (Years)
Definite life intangible assets:
Customer-related	$	127,749	$	14,386	$	113,363		17.7
Technology		24,570		6,275		18,295		5.2
Noncompete agreements		16,478		7,597		8,881		2.7
Patents		10,300		8,432		1,868		1.7
All other		13,426		5,996		7,430		3.7
Total definite life intangible assets		192,523		42,686		149,837		14.4
Indefinite life intangible assets:
Trade names		96,386		—		96,386		N/A
Horizon license		1,500		—		1,500		N/A
Total indefinite life intangible assets		97,886		—		97,886		N/A
Total	$	290,409	$	42,686	$	247,723		14.4
	December 31, 2015
	Gross Amount		Accumulated Amortization		Net Carrying Amount		Weighted- Average Remaining Life (Years)
Definite life intangible assets:
Customer-related	$	118,725	$	18,020	$	100,705		17.9
Technology		23,960		2,852		21,108		6.2
Noncompete agreements		17,989		5,238		12,751		3.4
Patents		13,084		10,188		2,896		2.3
All other		16,161		11,409		4,752		2.3
Total definite life intangible assets		189,919		47,707		142,212		14.0
Indefinite life intangible assets:
Trade names		90,255		—		90,255		N/A
Horizon license		1,500		—		1,500		N/A
Total indefinite life intangible assets		91,755		—		91,755		N/A
Total	$	281,674	$	47,707	$	233,967		14.0

Estimated Future Amortization Expense of Definite Life Intangible Assets

The estimated future amortization expense of definite life intangible assets as of December 31, 2016 is as follows (in millions):

2017	$	19.6
2018		14.8
2019		13.3
2020		11.5
2021		10.4
2022 and thereafter		80.2
Total	$	149.8