Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net income	$ 134.7	$ 120.5	$ 281.6	$ 228.6
Other comprehensive loss:
Unrealized loss on interest rate derivative instruments during the period, net of tax of $(1.5) million and $(1.5) million, respectively	(2.3)	0.0	(2.3)	0.0
Foreign currency translation adjustments, net of tax of $0.3 million, $(0.5) million, $0.8 million and $(0.5) million, respectively	0.5	(0.6)	1.3	(0.7)
Other comprehensive loss	(1.8)	(0.6)	(1.0)	(0.7)
Comprehensive income	132.9	119.9	280.6	227.9
Less: Comprehensive income attributable to noncontrolling interest	0.3	0.4	0.6	0.7
Comprehensive income attributable to Kansas City Southern and subsidiaries	$ 132.6	$ 119.5	$ 280.0	$ 227.2