Consolidated Statements of Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues	$ 682.4	$ 656.4	$ 1,321.0	$ 1,265.9
Operating expenses:
Compensation and benefits	122.3	125.2	243.9	242.6
Purchased services	49.5	51.4	96.6	100.2
Fuel	85.5	78.9	166.8	154.3
Mexican fuel excise tax credit	(8.0)	(12.8)	(17.2)	(24.5)
Equipment costs	30.7	31.2	62.9	62.4
Depreciation and amortization	86.3	80.4	169.6	159.7
Materials and other	70.3	62.8	133.9	121.2
Total operating expenses	436.6	417.1	856.5	815.9
Operating income	245.8	239.3	464.5	450.0
Equity in net earnings of affiliates	1.0	2.9	2.0	6.9
Interest expense	(28.0)	(25.0)	(53.5)	(49.7)
Debt retirement costs	(2.2)	0.0	(2.2)	0.0
Foreign exchange gain (loss)	(21.0)	14.2	6.8	61.0
Other income (expense), net	0.5	(0.1)	0.2	1.0
Income before income taxes	196.1	231.3	417.8	469.2
Income tax expense	47.4	96.6	124.2	187.6
Net income	148.7	134.7	293.6	281.6
Less: Net income attributable to noncontrolling interest	0.5	0.3	0.9	0.6
Net income attributable to Kansas City Southern and subsidiaries	148.2	134.4	292.7	281.0
Preferred stock dividends	0.0	0.0	0.1	0.1
Net income available to common stockholders	$ 148.2	$ 134.4	$ 292.6	$ 280.9
Earnings per share:
Basic earnings per share	$ 1.45	$ 1.27	$ 2.86	$ 2.66
Diluted earnings per share	$ 1.45	$ 1.27	$ 2.85	$ 2.65
Average shares outstanding (in thousands):
Basic	102,092	105,473	102,332	105,792
Potentially dilutive common shares	400	285	401	250
Diluted	102,492	105,758	102,733	106,042