CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating Revenues:
Transportation	$ 243.3	$ 257.7	$ 788.3	$ 857.4
Storage, parking and lending	28.8	22.5	82.5	68.8
Other	15.9	14.6	52.0	41.8
Total operating revenues	288.0	294.8	922.8	968.0
Operating Costs and Expenses:
Fuel and transportation	3.8	3.6	14.5	10.4
Operation and maintenance	55.7	58.9	148.3	152.6
Administrative and general	34.6	34.0	104.9	104.2
Depreciation and amortization	91.5	86.7	268.4	258.5
(Gain) loss on sale of assets and impairments	(0.2)	0.0	0.9	(0.8)
Taxes other than income taxes	27.7	24.2	86.2	80.2
Total operating costs and expenses	213.1	207.4	623.2	605.1
Operating income	74.9	87.4	299.6	362.9
Other Deductions (Income):
Interest expense	43.8	45.4	127.2	136.2
Interest income	0.0	0.0	0.0	(0.3)
Miscellaneous other (income) expense, net	(1.0)	(0.6)	(3.5)	0.3
Total other deductions	42.8	44.8	123.7	136.2
Income before income taxes	32.1	42.6	175.9	226.7
Income taxes	0.1	0.1	0.3	0.4
Net income	$ 32.0	$ 42.5	$ 175.6	$ 226.3