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ACQUISITIONS - Additional Information (Details) $ in Millions		3 Months Ended
	Mar. 31, 2021 USD ($)	Jun. 30, 2021 USD ($) business
Business Acquisition [Line Items]
Number of businesses acquired | business		2
Digital Electronics | Frieght
Business Acquisition [Line Items]
Purchase price of acquisition		$ 69
Nordco
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Purchase price of acquisition	$ 410

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The number of businesses acquired by the entity during the period.

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