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Shareholders' Equity (Tables) | 6 Months Ended
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Jun. 30, 2023
Stockholders' Equity Note [Abstract] |
Shares Repurchased Under Stock Repurchase Program | A summary of shares repurchased under our stock repurchase program authorized by our Board of Directors follows:
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
Shares repurchased | 1.6 |  |  | 3.7 |  |  | 4.0 |  |  | 7.2 |
Aggregate purchase price (1) | $ | 207.4 |  |  | $ | 403.9 |  |  | $ | 512.4 |  |  | $ | 784.9 |
Average purchase price per share | $ | 132.44 |  |  | $ | 109.22 |  |  | $ | 128.76 |  |  | $ | 109.62 |
(1) Excludes excise tax accrual imposed under the Inflation Reduction Act of $2.1 million and $4.6 million for the three and six months ended June 30, 2023, respectively.
Common Stock Issued With The Exercise Of Stock Options | A summary of shares of common stock issued in connection with the exercise of stock options follows:
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2023 |  | 2022 |  | 2023 |  | 2022
Shares issued (in actual number of shares) | 3,861 |  |  | 32,064 |  |  | 30,996 |  |  | 54,460 |
Proceeds from the exercise of stock options | $ | 0.2 |  |  | $ | 1.8 |  |  | $ | 1.5 |  |  | $ | 2.6 |
Average exercise price per share | $ | 57.44 |  |  | $ | 54.63 |  |  | $ | 48.80 |  |  | $ | 47.88 |
Shares Issued And Shares Surrendered To Satisfy Tax Withholdings In Connection With Restricted Stock Units | The following table presents a summary of shares of common stock issued in connection with the settlement of RSUs, as well as shares surrendered to AutoNation to satisfy tax withholding obligations in connection with the settlement of RSUs:
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
(In actual number of shares) | 2023 |  | 2022 |  | 2023 |  | 2022
Shares issued | 1,111 |  |  | 10,973 |  |  | 531,007 |  |  | 774,085 |
Shares surrendered to AutoNation to satisfy tax withholding obligations | 296 |  |  | — |  |  | 182,249 |  |  | 262,951 |

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 + Details
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