Consolidated Statements of Comprehensive Income (Loss) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Income and Comprehensive Income [Abstract]
Net income (loss)	$ 81.1	$ 109.7	$ 98.5
Benefit plan adjustments:
Benefit plan experience gains (losses)	265.0	27.3	(205.1)
Benefit plan prior service (costs) credits	63.0	(5.8)	3.5
Deferred profit sharing	(0.3)	0.5	0.4
Total benefit plan adjustments	327.7	22.0	(201.2)
Foreign currency translation adjustments	(32.8)	3.4	(50.5)
Unrealized gains (losses) on available-for-sale securities	0.1	(2.1)	(2.3)
Gains (losses) on cash flow hedges	0.6	0	0
Other comprehensive income (loss), before tax	295.6	23.3	(254.0)
Provision (benefit) for income taxes	141.0	9.3	(74.4)
Other comprehensive income (loss)	154.6	14.0	(179.6)
Comprehensive income (loss)	235.7	123.7	(81.1)
Less comprehensive income (loss) attributable to noncontrolling interests	22.5	20.3	22.0
Comprehensive income (loss) attributable to Brink's	$ 213.2	$ 103.4	$ (103.1)