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v3.23.1

Share-based Payments (Narrative) (Details) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 20, 2023 USD ($) shares | Mar. 31, 2023 USD ($) plan $ / shares shares | Mar. 31, 2022 USD ($) shares | Dec. 31, 2022 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based payment expense |  | $ 12,700,000 | $ 7,500,000 |
Granted, Shares | shares |  |  |  |
Stock Option Plan [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of plans | plan |  | 4 |  |
Performance Share Unit Plans [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Market value of shares vested and released |  | $ 0 |  | $ 0
Stock options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options assumed in acquisition | shares |  | 187,727 |  |
Stock options granted (in shares) | shares |  | 0 |  |
Unrecognized compensation costs |  | $ 4,800,000 |  |
Unrecognized compensation costs, period for recognition |  | 1 year 9 months 18 days |  |
Premium Priced Stock Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock options granted (in shares) | shares |  | 0 |  |
Unrecognized compensation costs |  | $ 4,600,000 |  |
Unrecognized compensation costs, period for recognition |  | 1 year 7 months 6 days |  |
Performance Share Units [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation costs |  | $ 11,200,000 |  |
Unrecognized compensation costs, period for recognition |  | 1 year 8 months 12 days |  |
Performance Share Units With Market Conditions [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock options granted (in shares) | shares |  | 0 |  |
Performance period |  | 3 years |  |
Unrecognized compensation costs |  | $ 3,100,000 |  |
Unrecognized compensation costs, period for recognition |  | 1 year 4 months 24 days |  |
Restricted Share Units [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation costs |  | $ 5,800,000 |  |
Unrecognized compensation costs, period for recognition |  | 1 year 6 months |  |
Deferred Share Units [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation costs |  | $ 0 |  |
Share unit liability |  | $ 6,700,000 |  | $ 6,300,000
IAA |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options assumed in acquisition | shares | 187,727 |  |  |
Number of RSUs assumed in acquisition | shares | 366,379 |  |  |
Estimated aggregate fair value of converted share-based awards | $ 24,900,000 |  |  |
Share-based payment expense | 4,800,000 |  |  |
IAA | Non-employee directors |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based payment expense | 300,000 |  |  |
IAA | Former executives |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based payment expense | $ 4,300,000 |  |  |
IAA | Stock options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Weighted average share price of options assumed | $ / shares |  | $ 15.52 |  |

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- Definition Performance period of award post vesting in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References No definition available. + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. Additionally, share-based awards which were paid or settled. + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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