SUBSEQUENT EVENTS (Details) - Subsequent Event $ in Millions		1 Months Ended
Apr. 02, 2021 USD ($)	May 06, 2021 USD ($)
PolSource S.A.
Subsequent Event [Line Items]
Percentage of voting interests acquired	100.00%
Number of specialists in acquired entity	350
Payments to acquire businesses	$ 111.8
Earn-out consideration based on achievements of certain revenue, earnings and operational targets	45.0
PolSource S.A. \| Restricted stock units
Subsequent Event [Line Items]
Equity granted	12.8
PolSource S.A. \| Phantom Share Units (PSUs)
Subsequent Event [Line Items]
Equity granted	$ 2.2
Two Business Acquisitions
Subsequent Event [Line Items]
Payments to acquire businesses		$ 13.8
Earn-out consideration based on achievements of certain revenue, earnings and operational targets		$ 10.8
Number of acquisitions		2
Two Business Acquisitions \| Restricted stock units
Subsequent Event [Line Items]
Equity granted		$ 9.6

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

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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