Consolidated Statements of Comprehensive Income (unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 156.9	$ 106.1	$ 563.0	$ 273.1
Derivative financial instruments:
Unrealized gains/(losses) arising during the period, net of tax expense/(benefit) of $–, $(0.5), $(0.5) and $(0.1)	0.1	(0.4)	(0.9)	0.4
Reclassification adjustments for losses included in net income, net of tax benefit of $1.9, $2.0, $6.6 and $6.8	4.2	4.4	11.9	13.7
Currency translation adjustment	(0.6)	0	(0.6)	0
Defined benefit plans:
Amortization of net actuarial losses, net of tax benefit of $0.3, $0.4, $0.5 and $1.4	0.7	0.8	1.1	2.3
Other comprehensive income (loss), net of tax	4.4	4.8	11.5	16.4
Comprehensive income	161.3	110.9	574.5	289.5
Less: comprehensive income attributable to noncontrolling interest	8.6	7.3	25.4	13.6
Comprehensive income attributable to Trinity Industries, Inc.	$ 152.7	$ 103.6	$ 549.1	$ 275.9