Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net income	$ 88.2	$ 67.5	$ 167.0	$ 119.8
Unrealized losses on derivative financial instruments:
Unrealized gains arising during the period, net of tax expense (benefit) of $(0.1), $-, $0.4 and $1.1	1.5	0.3	0.8	1.9
Reclassification adjustments for losses included in net income, net of tax benefit of $2.0, $0.9, $4.8 and $1.9	4.7	1.3	9.3	2.6
Currency translation adjustment - reclassification adjustment for losses included in net income, net of tax benefit of $-, $0.4, $- and $0.4	0	0.7	0	0.7
Net actuarial losses of defined benefit plans:
Amortization of net actuarial losses, net of tax benefit of $0.5, $0.4, $1.0 and $0.7	0.8	0.5	1.5	1.1
Other comprehensive income (loss), net of tax	7.0	2.8	11.6	6.3
Comprehensive income	95.2	70.3	178.6	126.1
Less: comprehensive income (loss) attributable to noncontrolling interest	5.9	(0.1)	6.3	(0.2)
Comprehensive income attributable to Trinity Industries, Inc.	$ 89.3	$ 70.4	$ 172.3	$ 126.3