Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities:
Net income	$ 55.9	$ 37.9
Adjustments to reconcile net income to net cash provided (used) by operating activities:
(Income) loss from discontinued operations, net of tax	0	(3.7)
Depreciation and amortization	83.9	80.0
Share-based compensation expense	5.1	1.4
Deferred income taxes	(32.9)	(11.2)
Sales of available-for-sale securities	(2.1)	(4.4)
Sales of property and other assets	(0.4)	(0.5)
Business acquisitions and dispositions	(0.9)	(0.4)
Asset impairment charges	0	0
Retirement benefit funding (more) less than expense:
Pension	0.2	4.5
Other than pension	11.9	5.7
Other operating	8.7	5.3
Changes in operating assets and liabilities, net of effects of acquisitions:
Accounts receivable	(68.3)	(55.4)
Accounts payable, income taxes payable and accrued liabilities	(9.4)	27.7
Prepaid and other current assets	(15.9)	(20.0)
Other	(5.5)	1.2
Discontinued operations	0	1.2
Net cash provided by operating activities	30.3	69.3
Cash flows from investing activities:
Capital expenditures	(73.0)	(71.6)
Acquisitions	(16.4)	(1.4)
Available-for-sale secuirties:
Purchases	0	0
Sales	11.8	12.2
Cash proceeds from sale of property, equipment and investments	0.5	1.2
Short-term investments	0	0
Cash settlements of foreign currency derivatives	0	(1.5)
Other	(1.2)	0
Net cash used by investing activities	(78.3)	(61.1)
Cash flows from financing activities:
Short-term debt	12.0	6.5
Long-term revolving credit facilities	2.9	(116.3)
Issuance of private placement notes	0	100.0
Borrowings	7.1	0
Repayments	(14.3)	(14.6)
Cash proceeds from sale-leaseback transactions	0	0
Debt financing costs	(1.5)	(0.6)
Repurchase shares of common stock of Brink's	0	0
Dividends to:
Shareholders of Brink's	(9.4)	(9.3)
Noncontrolling interests in subsidiaries	(5.7)	(11.4)
Proceeds from exercise of stock options	0.1	4.5
Excess tax benefits associated with share-based compensation	0	0.9
Minimum tax withholdings associated with share-based compensation	(0.5)	(1.6)
Net cash used by financing activities	(9.3)	(41.9)
Effect of exchange rate changes on cash	1.3	6.6
Cash and cash equivalents:
Increase (decrease)	(56.0)	(27.1)
Balance at beginning of period	182.9	183.0
Balance at end of period	$ 126.9	$ 155.9