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TREASURY STOCK (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2019	Aug. 07, 2019	Feb. 26, 2019	Aug. 07, 2018
Treasury Stock Purchase
Share repurchase program, authorized amount		$ 520.6
Number of shares repurchased of common stock from employees in lieu of cash or withholding taxes due	9,846
Cash payment for repurchase of common stock from employees in lieu of cash or withholding taxes due	$ 0.6
August 2018 Repurchase Plan
Treasury Stock Purchase
Share repurchase program, authorized amount				$ 500.0
Common stock repurchased (in shares)	0
Share repurchase program, authorized remaining amount		20.6
February 2019 Repurchase Plan
Treasury Stock Purchase
Common stock repurchased (in shares)	0
Share repurchase program, authorized remaining amount		$ 500.0
February 2019 Repurchase Plan | Maximum
Treasury Stock Purchase
Share repurchase program, authorized amount			$ 500.0

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Amount of stock repurchase plan authorized.

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