Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Changes in Carrying Value of Goodwill by Segment

The changes in the carrying value of goodwill by segment for the years ended December 31, 2017 and 2016 are as follows:

	Couplings, Clutches & Brakes			Electromagnetic Clutches & Brakes			Gearing			Total
Net goodwill balance January 1, 2016	$	25,290		$	24,661		$	47,358		$	97,309
Acquisition of Stromag		80,340			12,785			-			93,125
Impact of changes in foreign currency and other		(1,165	)		(285	)		(143	)		(1,593	)
Net goodwill balance December 31, 2016		104,465			37,161			47,215			188,841
Impact of changes in foreign currency and other		13,806			626			957			15,389
Measurement period adjustment related to acquisition of Stromag, including working capital settlement (See Note 2)		1,692			118			-			1,810
Net goodwill balance December 31, 2017	$	119,963		$	37,905		$	48,172		$	206,040

Gross Carrying Value and Accumulated Amortization of Intangible Assets

The following table provides the gross carrying value and accumulated amortization for each major class of intangible asset:

	December 31, 2017						December 31, 2016
	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
Other intangible assets
Intangible assets not subject to amortization:
Tradenames and trademarks	$	54,883	$	—	$	54,883	$	50,416	$	—	$	50,416
Intangible assets subject to amortization:
Customer relationships		177,207		72,970		104,237		164,406		60,761	$	103,645
Product technology and patents		5,853		5,360		493		6,090		5,468	$	622
Total intangible assets	$	237,943	$	78,330	$	159,613	$	220,912	$	66,229	$	154,683