Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Cash flows from operating activities:
Net income	$ 23.8	$ 25.3
Adjustments to reconcile net income to net cash provided (used) by operating activities:
(Income) loss from discontinued operations, net of tax	0	(1.1)
Depreciation and amortization	42.2	38.8
Stock compensation expense	1.4	0.6
Deferred income taxes	(26.5)	(7.5)
Sales of available-for-sale securities	(2.1)	(4.4)
Sales of property and other assets	(0.2)	0.4
Acquisitions of controlling interests	0	(0.4)
Asset Impairment Charges	0	0
Retirement benefit funding (more) less than expense:
Pension	(3.8)	3.6
Other than pension	5.3	2.5
Other operating	3.6	1.7
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(32.5)	(21.7)
Accounts payable, income taxes payable and accrued liabilities	(15.4)	(27.3)
Prepaid and other current assets	(14.6)	(21.3)
Other	2.4	3.9
Discontinued operations	0	1.2
Net cash provided by operating activities	(16.4)	(5.7)
Cash flows from investing activities:
Capital expenditures	(34.3)	(29.4)
Acquisitions	(16.4)	(1.2)
Available-for-sale secuirties:
Purchases	0	(0.8)
Sales	11.5	11.8
Cash proceeds from sale of property, equipment and investments	0.4	0.7
Short-term investments	0	0
Other	0.2	0
Net cash used by investing activities	(38.6)	(18.9)
Cash flows from financing activities:
Short-term debt	(3.7)	2.8
Long-term revolving credit facilities	43.9	(100.2)
Issuance of private placement notes	0	100.0
Repayments	(6.9)	(5.8)
Cash proceeds from sale-leaseback transactions	0	0
Debt financing costs	(1.5)	(0.3)
Repurchase shares of common stock of Brink's	0	0
Dividends to:
Shareholders of Brink's	(4.7)	(4.7)
Noncontrolling interests in subsidiaries	(4.6)	(1.0)
Proceeds from exercise of stock options	0	2.6
Excess tax benefits associated with stock compensation	0	0.8
Minimum tax withholdings associated with stock compensation	(0.3)	(1.4)
Net cash provided (used) by financing activities	22.2	(7.2)
Effect of exchange rate changes on cash	5.4	4.1
Cash and cash equivalents:
Increase (decrease)	(27.4)	(27.7)
Balance at beginning of period	182.9	183.0
Balance at end of period	$ 155.5	$ 155.3