CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Revenues:
Transportation	$ 343.3	$ 325.6
Storage, parking and lending	32.7	29.1
Other	18.3	23.2
Total operating revenues	394.3	377.9
Operating Costs and Expenses:
Fuel and transportation	8.0	5.3
Operation and maintenance	57.3	46.9
Administrative and general	42.3	37.5
Depreciation and amortization	99.8	93.2
Taxes other than income taxes	30.4	29.9
Total operating costs and expenses	237.8	212.8
Operating income	156.5	165.1
Other Deductions (Income):
Interest expense	38.9	42.5
Interest income	(1.7)	0.0
Miscellaneous other income, net	0.0	(2.8)
Total other deductions	37.2	39.7
Income before income taxes	119.3	125.4
Income taxes	0.3	0.2
Net income	$ 119.0	$ 125.2