CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating Revenues:
Transportation	$ 245.8	$ 266.4	$ 792.8	$ 852.0
Storage, parking and lending	21.1	23.2	67.8	79.8
Other	11.0	10.9	38.0	53.3
Total operating revenues	277.9	300.5	898.6	985.1
Operating Costs and Expenses:
Fuel and transportation	3.5	9.0	12.0	42.7
Operation and maintenance	46.9	49.0	144.2	141.0
Administrative and general	32.8	27.1	100.6	96.9
Depreciation and amortization	88.9	80.6	256.6	241.4
(Gain) loss on sale of assets and impairments	(0.2)	0.0	(0.7)	47.1
Taxes other than income taxes	25.2	24.8	78.7	75.0
Total operating costs and expenses	197.1	190.5	591.4	644.1
Operating income	80.8	110.0	307.2	341.0
Other Deductions (Income):
Interest expense	43.5	41.0	130.9	131.1
Interest income	0.0	0.0	(0.1)	(0.3)
Miscellaneous other income, net	(0.7)	(1.1)	(1.3)	(3.5)
Total other deductions	42.8	39.9	129.5	127.3
Income before income taxes	38.0	70.1	177.7	213.7
Income taxes	0.1	0.3	0.4	0.9
Net income	$ 37.9	$ 69.8	$ 177.3	$ 212.8