Consolidated Statements of Income (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenues	$ 547.5	$ 488.6
Operating expenses:
Compensation and benefits	109.3	100.4
Purchased services	54.4	48.1
Fuel	88.3	79.5
Equipment costs	38.3	41.4
Depreciation and amortization	48.4	45.7
Materials and other	51.0	45.7
Total operating expenses	389.7	360.8
Operating income	157.8	127.8
Equity in net earnings of unconsolidated affiliates	5.8	3.6
Interest expense	(27.2)	(33.1)
Debt retirement costs	(12.9)	0
Foreign exchange gain (loss)	3.9	(0.1)
Other income, net	0.1	1.7
Income before income taxes	127.5	99.9
Income tax expense	52.2	35.8
Net income	75.3	64.1
Less: Net income attributable to noncontrolling interest	0.3	0.1
Net income attributable to Kansas City Southern and subsidiaries	75.0	64.0
Preferred stock dividends	0.1	1.4
Net income available to common stockholders	$ 74.9	$ 62.6
Earnings per share:
Basic earnings per share	$ 0.68	$ 0.60
Diluted earnings per share	$ 0.68	$ 0.58
Average shares outstanding (in thousands):
Basic	109,622	104,269
Potentially dilutive common shares	374	5,482
Diluted shares	109,996	109,751
Cash dividends declared per common share	$ 0.195	$ 0