Goodwill and Other Intangible Assets, Net (Tables)

6 Months Ended

Jun. 30, 2018

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 six months ended June 30, 2018 were as follows (in thousands):

	Financial Services			Real Estate Services			Total
Balance at December 31, 2017	$	468,050		$	477,532		$	945,582
Acquisitions		—			6,626			6,626
Measurement period adjustments		(1,129	)		(2,444	)		(3,573	)
Cumulative translation adjustment		(1,780	)		—			(1,780	)
Balance at June 30, 2018	$	465,141		$	481,714		$	946,855

Components of Other Intangible Assets

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

	June 30, 2018
	Gross Amount		Accumulated Amortization		Net Carrying Amount		Weighted- Average Remaining Life (Years)
Definite life intangible assets:
Customer-related	$	205,343	$	36,494	$	168,849		13.1
Technology		24,024		11,466		12,558		3.7
Noncompete agreements		35,704		19,918		15,786		2.6
Patents		10,412		10,179		233		6.1
All other		19,689		10,876		8,813		8.5
Total definite life intangible assets		295,172		88,933		206,239		11.5
Indefinite life intangible assets:
Trade names		83,941		—		83,941	N/A
Licenses		7,929		—		7,929	N/A
Total indefinite life intangible assets		91,870		—		91,870	N/A
Total	$	387,042	$	88,933	$	298,109		11.5

	December 31, 2017
	Gross Amount		Accumulated Amortization		Net Carrying Amount		Weighted- Average Remaining Life (Years)
Definite life intangible assets:
Customer-related	$	203,743	$	27,820	$	175,923		13.7
Technology		24,025		9,741		14,284		4.2
Noncompete agreements		34,333		16,180		18,153		2.7
Patents		10,629		10,049		580		3.6
All other		19,795		9,691		10,104		9.2
Total definite life intangible assets		292,525		73,481		219,044		11.9
Indefinite life intangible assets:
Trade names		84,048		—		84,048	N/A
Licenses		7,929		—		7,929	N/A
Total indefinite life intangible assets		91,977		—		91,977	N/A
Total	$	384,502	$	73,481	$	311,021		11.9

Estimated Future Amortization Expense of Definite Life Intangible Assets

The estimated future amortization expense of definite life intangible assets as of June 30, 2018 is as follows (in millions):

2018	$	14.0
2019		27.8
2020		22.2
2021		18.9
2022		14.3
2023 and thereafter		109.0
Total	$	206.2