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DEBT - Interest Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt - components of interest expense
Contractual interest	$ 14.8	$ 15.5	$ 47.3	$ 41.1
Amortization of debt discount and issuance costs	0.6	0.6	1.9	1.8
Interest expense	15.4	16.1	49.2	42.9
Interest income	(3.5)	(0.8)	(8.3)	(2.2)
Interest expense, net	$ 11.9	$ 15.3	$ 40.9	$ 40.7

X

- Definition

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs and credit facility fees.

+ References

No definition available.

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X

- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

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-Name Accounting Standards Codification
-Section 55
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- Definition

Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 470
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- Definition

The net amount of nonoperating interest income (expense).

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- Definition

Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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