Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (28.2)	$ (114.8)	$ 81.1
Benefit plan adjustments:
Benefit plan experience gains (losses)	4.4	(134.3)	265.0
Benefit plan prior service (costs) credits	(3.6)	(2.9)	63.0
Deferred profit sharing	0.0	0.3	(0.3)
Total benefit plan adjustments	0.8	(136.9)	327.7
Foreign currency translation adjustments	(104.1)	(87.0)	(32.8)
Unrealized net gains (losses) on available-for-sale securities	(0.5)	(0.4)	0.1
Gains (loss) on cash flow hedges	(0.3)	(0.2)	0.6
Other comprehensive income (loss) before tax	(104.1)	(224.5)	295.6
Provision (benefit) for income taxes	(0.7)	(43.0)	141.0
Other comprehensive income (loss)	(103.4)	(181.5)	154.6
Comprehensive income (loss)	(131.6)	(296.3)	235.7
Less comprehensive income (loss) attributable to noncontrolling interests	(20.1)	(37.7)	22.5
Comprehensive income (loss) attributable to Brink’s	$ (111.5)	$ (258.6)	$ 213.2