Consolidated Statements of Income (Loss) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Revenues	$ 721.8	$ 776.1
Costs and expenses:
Cost of revenues	597.0	629.1
Selling, general and administrative expenses	110.3	112.3
Total costs and expenses	707.3	741.4
Other operating expense	(0.7)	(21.8)
Operating profit	13.8	12.9
Interest expense	(4.9)	(4.9)
Interest and other income	0.0	0.4
Income from continuing operations before tax	8.9	8.4
Provision for income taxes	9.4	15.5
Loss from continuing operations	(0.5)	(7.1)
Loss from discontinued operations, net of tax	0.0	(2.4)
Net loss	(0.5)	(9.5)
Less net income (loss) attributable to noncontrolling interests	2.6	(6.5)
Net loss attributable to Brink’s	(3.1)	(3.0)
Amounts attributable to Brink’s
Continuing operations	(3.1)	(0.6)
Discontinued operations	0.0	(2.4)
Net loss attributable to Brink’s	$ (3.1)	$ (3.0)
Basic:
Continuing operations (dollars per share)	$ (0.06)	$ (0.01)
Discontinued operations (dollars per share)	0.00	(0.05)
Net income (loss) (dollars per share)	(0.06)	(0.06)
Diluted:
Continuing operations (dollars per share)	(0.06)	(0.01)
Discontinued operations (dollars per share)	0.00	(0.05)
Net income (loss) (dollars per share)	$ (0.06)	$ (0.06)
Weighted-average shares
Basic (shares)	49.5	49.1
Diluted (shares)	49.5	49.1
Cash dividends paid per common share (dollars per share)	$ 0.1	$ 0.1