Goodwill (Tables)

12 Months Ended

Dec. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Carrying value of goodwill by reporting segment and the activity

The following table presents changes in the carrying value of goodwill and the activity by reportable segment for the two year period ending December 31, 2020 (in thousands):

	Industrial Technologies		Defense Technologies		Consolidated
Balance, December 31, 2018	$	620,383	$	284,188	$	904,571
Goodwill from acquisitions	23,945		445,501		469,446
Goodwill impairment	(6,543)		—		(6,543)
Currency translation adjustments	(1,886)		(992)		(2,878)
Balance, December 31, 2019	635,899		728,697		1,364,596
Adjustments to goodwill	(6)		(12,617)		(12,623)
Goodwill from acquisitions	—		22,857		22,857
Currency translation adjustments	15,546		3,988		19,534
Balance, December 31, 2020	$	651,439	$	742,925	$	1,394,364