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BENEFIT PLANS - Net Amounts Recognized, or Funded Status of Pension and Other Postretirement Benefit Plans (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Amounts recognized in the statements of financial position consist of: |  |
Long-term liabilities | $ (130.1) | $ (130.7)
Pension Benefits |  |
Amounts recognized in the statements of financial position consist of: |  |
Current liabilities | (6.8) | (6.8)
Long-term liabilities | (124.6) | (121.3)
Funded status of plan | (131.4) | (128.1)
Other Benefits |  |
Amounts recognized in the statements of financial position consist of: |  |
Current liabilities | (0.1) | (0.1)
Long-term liabilities | (2.0) | (4.8)
Funded status of plan | $ (2.1) | $ (4.9)

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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123453770&loc=d3e1703-114919 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 + Details
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