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LONG-TERM DEBT (Tables)
 6 Months Ended
Jun. 30, 2024
Debt Disclosure [Abstract]  
Schedule of Long-Term Debt Instruments
The table below presents the components of outstanding debt (in millions):
June 30,
2024		December 31,
2023
2.800% Senior Notes due July 15, 2030
$1,000.0 $1,000.0 
2020 Credit Agreement, due July 1, 2025— — 
2024 Credit Agreement, due July 1, 2029
— — 
Total face amount of long-term debt1,000.0 1,000.0 
Senior Notes unamortized discount and issuance costs(8.8)(9.5)
Long-term debt, net991.2 990.5 
Schedule of Interest Expense
The Company recognized interest expense as follows (in millions):
Three Months Ended
June 30,		Six Months Ended
June 30,
2024202320242023
Interest on outstanding borrowings$7.0 $7.0 $14.0 $14.0 
Amortization of Senior Notes discount and issuance costs1.1 0.6 1.7 1.2 
Interest capitalized for construction in process
(1.5)— (2.6)— 
Commitment fees and other0.8 0.5 1.6 1.4 
Total interest expense$7.4 $8.1 $14.7 $16.6