Revenue From Contracts With Customers (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following tables represent a disaggregation of revenue from contracts with customers:

	Three Months Ended March 31,
	2022		2021
Sales by Application
Materials processing	$	338,963	$	317,241
Other applications	31,016		28,344
Total	$	369,979	$	345,585

Sales by Product
High Power Continuous Wave ("CW") Lasers	$	167,691	$	170,482
Medium Power CW Lasers	23,668		15,882
Pulsed Lasers	66,932		55,395
Quasi-Continuous Wave ("QCW") Lasers	12,780		13,666
Laser and Non-Laser Systems	34,597		27,116
Other Revenue including Amplifiers, Service, Parts, Accessories and Change in Deferred Revenue	64,311		63,044
Total	$	369,979	$	345,585

	Three Months Ended March 31,
	2022		2021
Sales by Geography
North America	$	77,225	$	73,384
Europe:
Germany	27,417		26,260
Other including Eastern Europe/CIS	80,000		58,593
Asia and Australia:
China	129,748		139,833
Japan	12,886		10,877
Other	38,675		33,110
Rest of World	4,028		3,528
Total	$	369,979	$	345,585

Timing of Revenue Recognition
Goods and services transferred at a point in time	$	355,415	$	332,532
Goods and services transferred over time	14,564		13,053
Total	$	369,979	$	345,585

Changes in Contract Assets and Liabilities

The following table reflects the changes in the Company's contract assets and liabilities for the three months ended March 31, 2022 and 2021:

	March 31,		December 31,				March 31,		December 31,
	2022		2021		Change		2021		2020		Change
Contract assets
Contract assets	$	9,842	$	9,345	$	497	$	7,670	$	8,999	$	(1,329)
Contract liabilities
Contract liabilities - current	94,418		89,659		4,759		69,526		71,246		(1,720)
Contract liabilities - long-term	2,770		2,691		79		2,549		2,189		360

Schedule of Remaining Performance Obligations

The following table represents the Company's remaining performance obligations from contracts that are recognized over time as of March 31, 2022:

	Remaining Performance Obligations
	2022 (a)		2023		2024		2025		2026		Thereafter		Total
Revenue expected to be recognized for extended warranty agreements	$	3,030	$	1,448	$	992	$	603	$	166	$	71	$	6,310
Revenue to be earned over time from contracts to sell robotic systems	18,834		10,775		—		—		—		—		29,609
Total	$	21,864	$	12,223	$	992	$	603	$	166	$	71	$	35,919

(a) For the nine-month period beginning April 1, 2022.