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LEASES - Components of Operating and Finance Leases (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets
Operating	$ 267.8	$ 207.1
Finance	169.1	117.7
Total	436.9	324.7
Current
Operating	25.9	19.9
Finance	$ 8.4	$ 9.3
Finance Lease, Liability, Current, Statement of Financial Position	Long-term Debt and Lease Obligation, Current	Long-term Debt and Lease Obligation, Current
Noncurrent
Operating	$ 256.6	$ 206.0
Finance	$ 164.3	$ 115.4
Finance Lease, Liability, Noncurrent, Statement of Financial Position	Long-term debt	Long-term debt
Total	$ 455.2	$ 350.6

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Operating And Finance Lease, Liability

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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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Indicates line item in statement of financial position that includes current finance lease liability.

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-Publisher FASB
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-Topic 842
-SubTopic 20
-Section 45
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-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918631-209977

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Present value of lessee's discounted obligation for lease payments from finance lease, classified as noncurrent.

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Amount, after accumulated amortization, of right-of-use asset from finance lease.

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Amount of lessee's right to use underlying asset under operating lease.

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