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v3.23.3

Capital Stock (Details) - USD ($) |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 02, 2023 | Apr. 14, 2022 | Nov. 30, 2021 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 21, 2023 | Jul. 13, 2023 | Dec. 31, 2022 | Oct. 27, 2021 | Feb. 06, 2020
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Shares of common stock authorized (in shares) |  |  |  | 100,000,000.0 |  | 100,000,000.0 |  |  |  | 100,000,000.0 |  |
Shares issued and outstanding (in shares) |  |  |  | 45,300,000 |  | 45,300,000 |  |  |  | 46,300,000 |  |
Dividends declared (in dollars per share) |  |  |  |  |  |  |  | $ 0.22 | $ 0.22 |  |  |
Maximum shares allowed for issuance (in shares) |  |  |  | 2,000,000 |  | 2,000,000 |  |  |  |  |  |
Par value (in dollars per share) |  |  |  | $ 10 |  | $ 10 |  |  |  |  |  |
Repurchase shares of Brink's common stock |  |  |  |  |  | $ 105,700,000 | $ 27,300,000 |  |  |  |  |
ASR November 2021 |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchased and retired during period (in shares) |  |  | 1,742,160 |  |  |  |  |  |  |  |  |
Accelerated share repurchased payment |  |  | $ 150,000,000 |  |  |  |  |  |  |  |  |
ASR April 2022 |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchased and retired during period (in shares) |  | 546,993 |  |  |  |  |  |  |  |  |  |
ASR, final price per share (in dollars per share) |  | $ 65.53 |  |  |  |  |  |  |  |  |  |
250 Million Share Repurchase Program II |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase program amount |  |  |  | $ (92,000,000) |  | $ (92,000,000) |  |  |  |  | $ (250,000,000) |
Stock repurchased and retired during period (in shares) |  |  |  | 1,181,106 | 501,560 | 1,453,573 |  |  |  |  |  |
Repurchase shares of Brink's common stock |  |  |  | $ 88,200,000 | $ 27,300,000 | $ 105,700,000 |  |  |  |  |  |
Average price per share (in dollars per share) |  |  |  |  |  | $ 72.72 |  |  |  |  |  |
250 Million Share Repurchase Program |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase program amount |  |  |  |  |  |  |  |  |  |  |  | $ (250,000,000)
Stock repurchased and retired during period (in shares) |  | 2,289,153 |  |  |  |  |  |  |  |  |  |
500 Million Share Repurchase Program | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Stock repurchase program amount | $ (500,000,000) |  |  |  |  |  |  |  |  |  |  |
Subsequent Event, Date | Nov. 02, 2023 |  |  |  |  |  |  |  |  |  |  |

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