Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified										9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2014 Maximum [Member] SICAD [Member]	Sep. 30, 2014 Maximum [Member] SICADII [Member]	Sep. 30, 2014 Minimum [Member] SICAD [Member]	Sep. 30, 2014 Minimum [Member] SICADII [Member]	Sep. 30, 2014 Venezuelan Operations [Member]	Sep. 30, 2013 Venezuelan Operations [Member]	Sep. 30, 2014 Venezuelan Operations [Member] Noncontrolling Interest [Member]	Jun. 30, 2013 Venezuelan Operations [Member] Noncontrolling Interest [Member]	Feb. 28, 2013 Venezuelan Operations [Member] Maximum [Member]	Feb. 28, 2013 Venezuelan Operations [Member] Minimum [Member]	Sep. 30, 2014 US Dollar Denominated [Member] SICADII [Member]	Sep. 30, 2014 Bolivar Fuerte Denominated [Member]	Dec. 31, 2013 Bolivar Fuerte Denominated [Member]
Foreign Currency Translation [Line Items]
Foreign Currency Exchange Rate Translation	50					12	52	10	49					6.3	5.3
Assets Net																	$ 22.8	$ 120.4
Net remeasurement loss										121.6	13.4
Cash and cash equivalents	223.0	255.5	242.3	242.3	201.7											1.2	17.6	93.8
Brinks investments in Venzuelan Operations on an equity-method basis	$ 60.6	$ 125.3										$ 39.7	$ 4.7