Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
Revenues	$ 3,562.3	$ 3,778.6	$ 3,577.6
Costs and expenses:
Cost of revenues	2,948.2	3,059.2	2,894.2
Selling, general and administrative expenses	560.6	546.8	532.4
Total costs and expenses	3,508.8	3,606.0	3,426.6
Other operating income (expense)	(81.0)	(9.4)	11.2
Operating profit (loss)	(27.5)	163.2	162.2
Interest expense	(23.4)	(25.1)	(23.1)
Interest and other income (expense)	1.9	1.5	7.0
Income from continuing operations before tax	(49.0)	139.6	146.1
Provision (benefit) for income taxes	36.7	49.3	23.0
Income from continuing operations	(85.7)	90.3	123.1
Loss from discontinued operations, net of tax	(29.1)	(9.2)	(13.4)
Net income (loss)	(114.8)	81.1	109.7
Less net income attributable to noncontrolling interests	(30.9)	24.3	20.8
Net income (loss) attributable to Brink's	(83.9)	56.8	88.9
Amounts attributable to Brink's:
Continuing operations	(54.8)	66.0	102.3
Discontinued operations	(29.1)	(9.2)	(13.4)
Net income (loss) attributable to Brink's	$ (83.9)	$ 56.8	$ 88.9
Basic:
Continuing operations	$ (1.12)	$ 1.36	$ 2.12
Discontinued operations	$ (0.59)	$ (0.19)	$ (0.28)
Net income (loss)	$ (1.71)	$ 1.17	$ 1.84
Diluted:
Continuing operations	$ (1.12)	$ 1.35	$ 2.11
Discontinued operations	$ (0.59)	$ (0.19)	$ (0.28)
Net income (loss)	$ (1.71)	$ 1.16	$ 1.83
Weighted-average shares
Basic	49.0	48.7	48.4
Diluted	49.0	49.0	48.6