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Fair Value Measurements - Assets and Liabilities (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Assets:    
Gross Derivative Assets $ 840.7 $ 1,347.4
Liabilities:    
Gross Derivative Liabilities 697.8 1,490.8
Fair value measured on recurring basis    
Assets:    
Total assets 857.3 1,361.8
Liabilities:    
Total liabilities at fair value 697.8 1,490.8
Fair value measured on recurring basis | Level 1    
Assets:    
Total assets 220.0 496.2
Liabilities:    
Total liabilities at fair value 322.1 497.4
Fair value measured on recurring basis | Level 2    
Assets:    
Total assets 625.6 861.4
Liabilities:    
Total liabilities at fair value 373.9 989.9
Fair value measured on recurring basis | Level 3    
Assets:    
Total assets 11.6 4.2
Liabilities:    
Total liabilities at fair value 1.8 3.4
Commodity contracts: | Fair value measured on recurring basis    
Assets:    
Gross Derivative Assets 791.8 1,298.0
Liabilities:    
Gross Derivative Liabilities 669.1 1,452.1
Commodity contracts: | Fair value measured on recurring basis | Level 1    
Assets:    
Gross Derivative Assets 220.0 496.2
Liabilities:    
Gross Derivative Liabilities 322.1 497.4
Commodity contracts: | Fair value measured on recurring basis | Level 2    
Assets:    
Gross Derivative Assets 560.2 797.6
Liabilities:    
Gross Derivative Liabilities 345.3 951.2
Commodity contracts: | Fair value measured on recurring basis | Level 3    
Assets:    
Gross Derivative Assets 11.6 4.2
Liabilities:    
Gross Derivative Liabilities 1.8 3.4
Foreign currency exchange contracts: | Fair value measured on recurring basis    
Assets:    
Gross Derivative Assets 34.1 24.7
Liabilities:    
Gross Derivative Liabilities 28.7 38.7
Foreign currency exchange contracts: | Fair value measured on recurring basis | Level 1    
Assets:    
Gross Derivative Assets 0.0 0.0
Liabilities:    
Gross Derivative Liabilities 0.0 0.0
Foreign currency exchange contracts: | Fair value measured on recurring basis | Level 2    
Assets:    
Gross Derivative Assets 34.1 24.7
Liabilities:    
Gross Derivative Liabilities 28.7 38.7
Foreign currency exchange contracts: | Fair value measured on recurring basis | Level 3    
Assets:    
Gross Derivative Assets 0.0 0.0
Liabilities:    
Gross Derivative Liabilities 0.0 0.0
Cash surrender value of life insurance | Fair value measured on recurring basis    
Assets:    
Cash surrender value of life insurance 16.5 14.4
Cash surrender value of life insurance | Fair value measured on recurring basis | Level 1    
Assets:    
Cash surrender value of life insurance 0.0 0.0
Cash surrender value of life insurance | Fair value measured on recurring basis | Level 2    
Assets:    
Cash surrender value of life insurance 16.5 14.4
Cash surrender value of life insurance | Fair value measured on recurring basis | Level 3    
Assets:    
Cash surrender value of life insurance 0.0 0.0
Interest rate contract: | Fair value measured on recurring basis    
Assets:    
Gross Derivative Assets 14.8 24.7
Liabilities:    
Gross Derivative Liabilities   0.0
Interest rate contract: | Fair value measured on recurring basis | Level 1    
Assets:    
Gross Derivative Assets 0.0 0.0
Liabilities:    
Gross Derivative Liabilities   0.0
Interest rate contract: | Fair value measured on recurring basis | Level 2    
Assets:    
Gross Derivative Assets 14.8 24.7
Liabilities:    
Gross Derivative Liabilities   0.0
Interest rate contract: | Fair value measured on recurring basis | Level 3    
Assets:    
Gross Derivative Assets $ 0.0 0.0
Liabilities:    
Gross Derivative Liabilities   $ 0.0