Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The changes in the carrying amount of goodwill for the three months ended March 31, 2018, by reportable business segment, were as follows:

	FMT		HST		FSDP		IDEX
Balance at December 31, 2017	$	586,064	$	740,032	$	378,062	$	1,704,158
Foreign currency translation	3,661		8,879		4,953		17,493
Acquisition adjustments	—		1,117		—		1,117
Balance at March 31, 2018	$	589,725	$	750,028	$	383,015	$	1,722,768

Schedule of Gross Carrying Value and Accumulated Amortization For Each Major Class of Intangible Asset

The following table provides the gross carrying value and accumulated amortization for each major class of intangible asset at March 31, 2018 and December 31, 2017:

	At March 31, 2018								At December 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net		Weighted Average Life	Gross Carrying Amount		Accumulated Amortization			Net
Amortized intangible assets:
Patents	$	9,644	$	(7,355	)	$	2,289	11	$	9,633	$	(7,143	)	$	2,490
Trade names	118,575		(52,945		)	65,630		16	117,206		(50,604		)	66,602
Customer relationships	308,857		(120,749		)	188,108		13	317,316		(124,566		)	192,750
Unpatented technology	92,759		(31,743		)	61,016		13	91,166		(29,428		)	61,738
Other	700		(455		)	245		10	839		(573		)	266
Total amortized intangible assets	530,535		(213,247		)	317,288			536,160		(212,314		)	323,846
Indefinite-lived intangible assets:
Banjo trade name	62,100		—			62,100			62,100		—			62,100
Akron Brass trade name	28,800		—			28,800			28,800		—			28,800
Total intangible assets	$	621,435	$	(213,247	)	$	408,188		$	627,060	$	(212,314	)	$	414,746