Fair Value Measurements - Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Assets:
Gross Derivative Assets	$ 1,347.4	$ 773.6
Liabilities:
Gross Derivative Liabilities	1,490.8	748.5
Fair value measured on recurring basis
Assets:
Total assets	1,361.8	788.3
Liabilities:
Total liabilities at fair value	1,490.8	748.5
Fair value measured on recurring basis | Level 1
Assets:
Total assets	496.2	513.3
Liabilities:
Total liabilities at fair value	497.4	361.5
Fair value measured on recurring basis | Level 2
Assets:
Total assets	861.4	272.3
Liabilities:
Total liabilities at fair value	989.9	383.2
Fair value measured on recurring basis | Level 3
Assets:
Total assets	4.2	2.6
Liabilities:
Total liabilities at fair value	3.4	3.8
Commodity contracts | Fair value measured on recurring basis
Assets:
Gross Derivative Assets	1,298.0	763.5
Liabilities:
Gross Derivative Liabilities	1,452.1	743.9
Commodity contracts | Fair value measured on recurring basis | Level 1
Assets:
Gross Derivative Assets	496.2	513.3
Liabilities:
Gross Derivative Liabilities	497.4	361.5
Commodity contracts | Fair value measured on recurring basis | Level 2
Assets:
Gross Derivative Assets	797.6	247.6
Liabilities:
Gross Derivative Liabilities	951.2	378.6
Commodity contracts | Fair value measured on recurring basis | Level 3
Assets:
Gross Derivative Assets	4.2	2.6
Liabilities:
Gross Derivative Liabilities	3.4	3.8
Foreign currency contracts | Fair value measured on recurring basis
Assets:
Gross Derivative Assets	24.7	4.7
Liabilities:
Gross Derivative Liabilities	38.7	4.3
Foreign currency 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 contracts | Fair value measured on recurring basis | Level 2
Assets:
Gross Derivative Assets	24.7	4.7
Liabilities:
Gross Derivative Liabilities	38.7	4.3
Foreign currency 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	14.4	14.6
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	14.4	14.6
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	24.7	5.4
Liabilities:
Gross Derivative Liabilities		0.3
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	24.7	5.4
Liabilities:
Gross Derivative Liabilities		0.3
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