Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Income and Comprehensive Income [Abstract]
Net income (loss)	$ 19.6	$ 32.0	$ (68.1)	$ 31.1
Benefit plan adjustments:
Benefit plan experience gains (losses)	9.4	13.6	29.0	49.0
Benefit plan prior service (costs) credits	(0.4)	5.4	(1.3)	6.7
Deferred profit sharing	(0.1)	0	(0.1)	0
Total benefit plan adjustments	8.9	19.0	27.6	55.7
Foreign currency translation adjustments	(50.4)	8.2	(46.3)	(23.9)
Unrealized gains (losses) on available-for-sale securities	(0.3)	0.3	(0.4)	0.2
Gains (losses) on cash flow hedges	(0.1)	0.3	(0.1)	1.1
Other comprehensive income (loss), before tax	(41.9)	27.8	(19.2)	33.1
Provision (benefit) for income taxes	3.3	6.9	10.3	19.8
Other comprehensive income (loss)	(45.2)	20.9	(29.5)	13.3
Comprehensive income (loss)	(25.6)	52.9	(97.6)	44.4
Less comprehensive income (loss) attributable to noncontrolling interests	(2.7)	8.9	(33.1)	14.1
Comprehensive income (loss) attributable to Brink's	$ (22.9)	$ 44.0	$ (64.5)	$ 30.3