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Revenue From Contracts With Customers (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

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

			Three Months Ended September 30,												Nine Months Ended September 30,
			2020						2019						2020						2019
Sales by Application
Materials processing			$	290,028					$	306,260					$	779,810					$	952,936
Other applications			28,413						22,878						84,284						55,018
Total			$	318,441					$	329,138					$	864,094					$	1,007,954

Sales by Product
High Power Continuous Wave ("CW") Lasers			$	184,387					$	184,924					$	461,181					$	577,354
Medium Power CW Lasers			11,756						11,891						33,701						42,904
Pulsed Lasers			34,975						33,850						109,391						106,100
Quasi-Continuous Wave ("QCW") Lasers			15,079						12,479						38,660						42,612
Laser and Non-Laser Systems			20,841						32,929						64,417						104,943
Other Revenue including Amplifiers, Service, Parts, Accessories and Change in Deferred Revenue			51,403						53,065						156,744						134,041
Total			$	318,441					$	329,138					$	864,094					$	1,007,954

Sales by Geography
North America			$	52,732					$	71,000					$	173,972					$	199,947
Europe:
Germany			16,163						17,204						51,208						59,487
Other including Eastern Europe/CIS			54,907						62,196						158,686						192,527
Asia and Australia:
China			148,049						121,290						361,864						399,246
Japan			12,884						21,859						41,241						54,879
Other			31,227						28,877						70,924						89,544
Rest of World			2,479						6,712						6,199						12,324
Total			$	318,441					$	329,138					$	864,094					$	1,007,954

Timing of Revenue Recognition
Goods and services transferred at a point in time			$	308,474					$	310,324					$	824,069					$	944,454
Goods and services transferred over time			9,967						18,814						40,025						63,500
Total			$	318,441					$	329,138					$	864,094					$	1,007,954

Changes in Contract Assets and Liabilities

The following table reflects the changes in the Company's contract assets and liabilities for the nine months ended September 30, 2020 and 2019:

			September 30,						December 31,												September 30,						December 31,
			2020						2019						Change						2019						2018						Change
Contract assets
Contract assets			$	6,771					$	9,645					$	(2,874)					$	10,606					$	10,102					$	504
Contract liabilities
Contract liabilities - current			57,034						59,531						(2,497)						49,358						52,606						(3,248)
Contract liabilities - long-term			2,121						1,820						301						1,677						1,413						264

Schedule of Remaining Performance Obligations

The following table represents the Company's remaining performance obligations from contracts that are recognized over time as of September 30, 2020:

						Remaining Performance Obligations
						2020 (a)						2021						2022						2023						2024						Thereafter						Total
Revenue expected to be recognized for extended warranty agreements						$	1,439					$	2,724					$	874					$	566					$	265					$	56					$	5,924
Revenue to be earned over time from contracts to sell robotic systems						10,934						16,941						—						—						—						—						27,875
Total						$	12,373					$	19,665					$	874					$	566					$	265					$	56					$	33,799

(a) For the three-month period beginning October 1, 2020.

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

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X

- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045

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