Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement [Abstract]
Revenues	$ 3,061.4	$ 3,562.3	$ 3,778.6
Costs and expenses:
Cost of revenues	2,471.6	2,948.2	3,059.2
Selling, general and administrative expenses	463.8	560.6	546.8
Total costs and expenses	2,935.4	3,508.8	3,606.0
Other operating expense	(69.4)	(81.0)	(9.4)
Operating profit (loss)	56.6	(27.5)	163.2
Interest expense	(18.9)	(23.4)	(25.1)
Interest and other income (expense)	3.4	1.9	1.5
Income (loss) from continuing operations before tax	41.1	(49.0)	139.6
Provision for income taxes	66.5	36.7	49.3
Income (loss) from continuing operations	(25.4)	(85.7)	90.3
Loss from discontinued operations, net of tax	(2.8)	(29.1)	(9.2)
Net income (loss)	(28.2)	(114.8)	81.1
Less net income (loss) attributable to noncontrolling interests	16.3	30.9	(24.3)
Net income (loss) attributable to Brink’s	(11.9)	(83.9)	56.8
Amounts attributable to Brink’s:
Continuing operations	(9.1)	(54.8)	66.0
Discontinued operations	(2.8)	(29.1)	(9.2)
Net income (loss) attributable to Brink’s	$ (11.9)	$ (83.9)	$ 56.8
Basic:
Continuing operations (in dollars per share)	$ (0.19)	$ (1.12)	$ 1.36
Discontinued operations (in dollars per share)	(0.06)	(0.59)	(0.19)
Net income (loss) (in dollars per share)	(0.24)	(1.71)	1.17
Diluted:
Continuing operations (in dollars per share)	(0.19)	(1.12)	1.35
Discontinued operations (in dollars per share)	(0.06)	(0.59)	(0.19)
Net income (loss) (in dollars per share)	$ (0.24)	$ (1.71)	$ 1.16
Weighted-average shares
Basic (shares)	49.3	49.0	48.7
Diluted (shares)	49.3	49.0	49.0