Goodwill and Other Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2015

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 years ended December 31, 2015 and 2014 were as follows (in thousands):

	Financial Services			Real Estate Services			Total
Balance at December 31, 2013	$	85,163		$	78,176		$	163,339
Acquisitions		51,952			180,588			232,540
Measurement period adjustments		223			(1,092	)		(869	)
Cumulative translation adjustment		(2,440	)		—			(2,440	)
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

Components of Other Intangible Assets

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

	December 31, 2015
	Gross Amount		Accumulated Amortization		Net Carrying Amount		Weighted-Average Remaining Life (Years)
Definite life intangible assets:
Patents	$	8,144	$	6,944	$	1,200		2.4
Acquired intangibles		177,858		37,996		139,862		13.9
Noncompete agreements		1,790		1,790		—		—
All other		2,127		977		1,150		3.3
Total definite life intangible assets		189,919		47,707		142,212		13.7
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		13.7
	December 31, 2014
	Gross Amount		Accumulated Amortization		Net Carrying Amount		Weighted-Average Remaining Life (Years)
Definite life intangible assets:
Patents	$	7,554	$	6,336	$	1,218		2.3
Acquired intangibles		28,004		14,815		13,189		2.1
Noncompete agreements		1,790		1,436		354		0.8
All other		2,182		1,148		1,034		4.2
Total definite life intangible assets		39,530		23,735		15,795		2.2
Indefinite life intangible assets:
Trade names		10,685		—		10,685		N/A
Horizon license		1,500		—		1,500		N/A
Total indefinite life intangible assets		12,185		—		12,185		N/A
Total	$	51,715	$	23,735	$	27,980		2.2

Estimated Future Amortization Expense of Definite Life Intangible Assets

The estimated future amortization expense of definite life intangible assets as of December 31, 2015 is as follows (in millions):

2016	$	19.7
2017		16.3
2018		12.4
2019		11.0
2020		9.4
2021 and thereafter		73.4
Total	$	142.2