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FINANCIAL INSTRUMENTS AND FAIR VALUE - Schedule of Carrying Values and Fair Values of Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Carrying Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 2,230.2	$ 2,227.7
Fair Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 2,136.6	2,085.1
Senior Notes | 4.50% Senior Notes due 2028
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate of debt instrument	4.50%
Senior Notes | 4.50% Senior Notes due 2028 | Carrying Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 403.2	402.8
Senior Notes | 4.50% Senior Notes due 2028 | Fair Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 391.8	384.8
Senior Notes | 4.625% Senior Notes due 2029
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate of debt instrument	4.625%
Senior Notes | 4.625% Senior Notes due 2029 | Carrying Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 791.5	790.4
Senior Notes | 4.625% Senior Notes due 2029 | Fair Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 758.0	744.0
Senior Notes | 4.75% Senior Notes due 2030
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate of debt instrument	4.75%
Senior Notes | 4.75% Senior Notes due 2030 | Carrying Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 442.6	442.2
Senior Notes | 4.75% Senior Notes due 2030 | Fair Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 422.8	410.3
Senior Notes | 5.00% Senior Notes due 2032
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate of debt instrument	5.00%
Senior Notes | 5.00% Senior Notes due 2032 | Carrying Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 592.8	592.3
Senior Notes | 5.00% Senior Notes due 2032 | Fair Value:
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 564.0	$ 546.0

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Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
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-Publisher FASB
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+ References

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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