Number of contingent consideration payment installments.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Name of the acquired entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

+ Details

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- Definition

For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

+ Details

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476

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- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Fair Value Measurements - Additional Information (Details) € in Millions	1 Months Ended	3 Months Ended		12 Months Ended
	Jan. 31, 2018 USD ($)	Sep. 29, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($) Installment	Dec. 31, 2016 USD ($)	Dec. 14, 2016 USD ($)	Dec. 14, 2016 EUR (€)	Dec. 18, 2015 USD ($)	Nov. 11, 2015 USD ($)	Nov. 09, 2015 USD ($)	Feb. 19, 2015 USD ($)
Business Acquisition Contingent Consideration [Line Items]
Payments of contingent consideration				$ 2,781,000
Video Signal Processing and Management Technologies
Business Acquisition Contingent Consideration [Line Items]
Business combination, date of agreement				Dec. 14, 2016
Number of contingent consideration installments \| Installment				4
Undiscounted range of outcomes, minimum						$ 0
Undiscounted range of outcomes, maximum						$ 6,600,000	€ 5.5
Video Signal Processing and Management Technologies \| Long-term Liability in Other Liabilities
Business Acquisition Contingent Consideration [Line Items]
Estimated fair value of contingent consideration				$ 1,300,000
Skyetek Inc.
Business Acquisition Contingent Consideration [Line Items]
Business combination, date of agreement				Dec. 18, 2015
Undiscounted range of outcomes, minimum								$ 0
Undiscounted range of outcomes, maximum								300,000
Estimated fair value of contingent consideration								$ 200,000
Name of acquired entity				Skyetek Inc.
Payments of contingent consideration		$ 100,000
Lincoln Laser Company
Business Acquisition Contingent Consideration [Line Items]
Business combination, date of agreement				Nov. 11, 2015
Undiscounted range of outcomes, minimum										$ 0
Undiscounted range of outcomes, maximum										$ 6,000,000
Estimated fair value of contingent consideration					$ 1,400,000				$ 2,300,000
Name of acquired entity				Lincoln Laser Company
Payments of contingent consideration			$ 1,400,000
Applimotion Inc.
Business Acquisition Contingent Consideration [Line Items]
Business combination, date of agreement				Feb. 19, 2015
Number of contingent consideration installments \| Installment				2
Undiscounted range of outcomes, minimum											$ 0
Undiscounted range of outcomes, maximum											4,000,000
Estimated fair value of contingent consideration					$ 3,600,000						$ 1,000,000
Name of acquired entity				Applimotion Inc.
Payments of contingent consideration			$ 1,200,000
Applimotion Inc. \| Subsequent Event
Business Acquisition Contingent Consideration [Line Items]
Payments of contingent consideration	$ 2,800,000
Applimotion Inc. \| Current Liability in Accrued Expenses and Other Current Liabilities
Business Acquisition Contingent Consideration [Line Items]
Estimated fair value of contingent consideration				$ 2,800,000