Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 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 nine months ended September 30, 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	(2,423		)	(2,765		)	(3,259		)	(8,447		)
Acquisitions	—			11,920			—			11,920
Acquisition adjustments	—			1,152			—			1,152
Balance at September 30, 2018	$	583,641		$	750,339		$	374,803		$	1,708,783

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 September 30, 2018 and December 31, 2017:

	At September 30, 2018								At December 31, 2017
	Gross Carrying Amount		Accumulated Amortization			Net		Weighted Average Life	Gross Carrying Amount		Accumulated Amortization			Net
Amortized intangible assets:
Patents	$	9,640	$	(7,789	)	$	1,851	12	$	9,633	$	(7,143	)	$	2,490
Trade names	116,895		(55,799		)	61,096		16	117,206		(50,604		)	66,602
Customer relationships	258,789		(81,485		)	177,304		14	317,316		(124,566		)	192,750
Unpatented technology	98,151		(34,015		)	64,136		12	91,166		(29,428		)	61,738
Other	700		(490		)	210		10	839		(573		)	266
Total amortized intangible assets	484,175		(179,578		)	304,597			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	$	575,075	$	(179,578	)	$	395,497		$	627,060	$	(212,314	)	$	414,746