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BASIS OF PRESENTATION (Details) - USD ($)	Nov. 11, 2020	Sep. 02, 2020	Apr. 03, 2021	Dec. 31, 2020
ULC Robotics
Business Acquisition [Line Items]
Cash paid to acquire business		$ 89,200,000
Cash acquired		4,000,000.0
Deferred payment		$ 45,000,000.0
Contingent consideration liability			$ 24,300,000	$ 24,300,000
Sensors & Software Inc.
Business Acquisition [Line Items]
Cash paid to acquire business	$ 15,200,000
Cash acquired	300,000
Deferred payment	$ 4,000,000.0
Contingent consideration liability			$ 700,000	$ 700,000

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