Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Components of inventories

Inventories consisted of the following:

	June 30, 2021		December 31, 2020
Raw materials and parts	$	148,548	$	132,041
Work-in-progress	66,077		55,688
Finished goods	135,534		109,882
	$	350,159	$	297,611

Components of other intangible assets

Other intangible assets consisted of the following:

	June 30, 2021						December 31, 2020
	Gross Amount		Accumulated Amortization		Intangibles, Net		Gross Amount		Accumulated Amortization		Intangibles, Net
Customer relationships	$	279,739	$	(73,733)	$	206,006	$	201,445	$	(68,319)	$	133,126
Proven technology and patents	98,791		(53,728)		45,063		78,312		(52,138)		26,174
Tradenames (finite life)	8,228		(3,570)		4,658		4,896		(3,444)		1,452
Tradenames (indefinite life)	35,556		—		35,556		35,595		—		35,595
Other	8,061		(5,625)		2,436		5,215		(4,777)		438
	$	430,375	$	(136,656)	$	293,719	$	325,463	$	(128,678)	$	196,785