Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Income Statement [Abstract]
Revenues	$ 776.1		$ 949.6
Costs and expenses:
Cost of revenues	629.1		759.7
Selling, general and administrative expenses	112.3		140.5
Total costs and expenses	741.4		900.2
Other operating income (expense)	(21.8)		(123.1)
Operating profit (loss)	12.9		(73.7)
Interest expense	(4.9)		(5.8)
Interest and other income (expense)	0.4		0
Income from continuing operations before tax	8.4		(79.5)
Provision (benefit) for income taxes	15.5		8.7
Income from continuing operations	(7.1)		(88.2)
Loss from discontinued operations, net of tax	(2.4)		0.5
Net income (loss)	(9.5)		(87.7)
Less net income attributable to noncontrolling interests	6.5		29.2
Net income (loss) attributable to Brink's	(3.0)		(58.5)
Amounts attributable to Brink's:
Continuing operations	(0.6)		(59.0)
Discontinued operations	(2.4)		0.5
Net income (loss) attributable to Brink's	$ (3.0)		$ (58.5)
Basic:
Continuing operations	$ (0.01)	[1]	$ (1.21)	[1]
Discontinued operations	$ (0.05)	[1]	$ 0.01	[1]
Net income (loss)	$ (0.06)	[1]	$ (1.2)	[1]
Diluted:
Continuing operations	$ (0.01)	[1]	$ (1.21)	[1]
Discontinued operations	$ (0.05)	[1]	$ 0.01	[1]
Net income (loss)	$ (0.06)	[1]	$ (1.2)	[1]
Weighted-average shares
Basic	49.1		48.9
Diluted	49.1		48.9
Cash dividends paid per common share	$ 0.1		$ 0.1

[1] Amounts may not add due to rounding.