Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net income	$ 102.8	$ 134.9
Adjustments to reconcile net income to net cash provided by operating activities:
(Gain) loss from discontinued operations, net of tax	(0.5)	0.2
Depreciation and amortization	206.3	179.9
Share-based compensation expense	25.6	36.3
Deferred income taxes	3.7	(57.3)
(Gain) loss on sale of property, equipment and marketable securities	2.2	0.8
Impairment losses	8.2	7.9
Retirement benefit funding (more) less than expense:
Pension	(6.9)	(4.7)
Other than pension	(6.0)	2.8
Remeasurement losses due to Argentina currency devaluations	23.9	24.4
Other operating	17.1	29.7
Changes in operating assets and liabilities, net of effects of acquisitions:
(Increase) decrease in accounts receivable and income taxes receivable	30.8	(175.7)
Increase (decrease) in accounts payable, income taxes payable and accrued liabilities	(61.0)	108.7
Increase (decrease) in restricted cash held for customers	(44.9)	(4.4)
Increase (decrease) in customer obligations	(5.5)	4.0
Increase in prepaid and other current assets	5.1	(79.8)
Other	(7.9)	(7.2)
Net cash provided by operating activities	293.0	200.5
Cash flows from investing activities:
Capital expenditures	(133.1)	(131.5)
Acquisitions, net of cash acquired	0.0	(14.2)
Dispositions, net of cash disposed	1.1	0.0
Purchases	(58.3)	(18.3)
Sales	48.7	7.7
Cash proceeds from sale of property and equipment	5.7	3.3
Cash proceeds from settlement of cross currency swap	0.0	64.3
Net change in loans held for investment	(12.3)	(23.3)
Other	(0.6)	(0.1)
Discontinued operations	0.9	0.0
Net cash used in investing activities	(147.9)	(112.1)
Cash flows from financing activities:
Short-term borrowings	76.6	11.5
Long-term revolving credit facilities: Borrowings	6,640.5	5,036.1
Long-term revolving credit facilities: Repayments	(6,713.1)	(4,819.1)
Other long-term debt: Borrowings	16.4	213.2
Other long-term debt: Repayments	(71.1)	(63.7)
Acquisition of noncontrolling interest	(0.6)	(7.8)
Cash paid for acquisition related settlements and obligations	(10.5)	(2.8)
Debt financing costs	0.0	(5.5)
Repurchase shares of Brink's common stock	(105.7)	(27.3)
Dividends to:
Shareholders of Brink’s	(29.7)	(28.3)
Noncontrolling interests in subsidiaries	(6.5)	(6.9)
Tax withholdings associated with share-based compensation	(7.6)	(10.2)
Other	3.9	2.7
Net cash (used in) provided by financing activities	(207.4)	291.9
Effect of exchange rate changes on cash	(27.7)	(118.1)
Cash, cash equivalents and restricted cash:
Increase (decrease)	(90.0)	262.2
Balance at beginning of period	1,410.5	1,086.7
Balance at end of period	$ 1,320.5	$ 1,348.9