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STOCK-BASED COMPENSATION: Future expense, by award type (Details) $ in Millions | Dec. 31, 2020 USD ($)
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Share-based compensation |
Total | $ 207.1
2021 |
Share-based compensation |
Total | 67.7
2022 |
Share-based compensation |
Total | 63.6
2023 |
Share-based compensation |
Total | 47.1
2024 |
Share-based compensation |
Total | 24.3
2025 |
Share-based compensation |
Total | 4.4
Stock options |
Share-based compensation |
Share-based compensation not yet recognized | 1.7
Stock options | 2021 |
Share-based compensation |
Share-based compensation not yet recognized | 0.3
Stock options | 2022 |
Share-based compensation |
Share-based compensation not yet recognized | 1.1
Stock options | 2023 |
Share-based compensation |
Share-based compensation not yet recognized | 0.3
Stock options | 2024 |
Share-based compensation |
Share-based compensation not yet recognized | 0.0
Stock options | 2025 |
Share-based compensation |
Share-based compensation not yet recognized | 0.0
Restricted stock units |
Share-based compensation |
Future share-based compensation expense expected | 174.7
Restricted stock units | 2021 |
Share-based compensation |
Future share-based compensation expense expected | 59.4
Restricted stock units | 2022 |
Share-based compensation |
Future share-based compensation expense expected | 42.9
Restricted stock units | 2023 |
Share-based compensation |
Future share-based compensation expense expected | 43.9
Restricted stock units | 2024 |
Share-based compensation |
Future share-based compensation expense expected | 24.1
Restricted stock units | 2025 |
Share-based compensation |
Future share-based compensation expense expected | 4.4
Consideration Holdback | Data Plus Math Corporation |
Share-based compensation |
Future share-based compensation expense expected | 12.2
Consideration Holdback | Data Plus Math Corporation | 2021 |
Share-based compensation |
Future share-based compensation expense expected | 2.0
Consideration Holdback | Data Plus Math Corporation | 2022 |
Share-based compensation |
Future share-based compensation expense expected | 8.1
Consideration Holdback | Data Plus Math Corporation | 2023 |
Share-based compensation |
Future share-based compensation expense expected | 2.1
Consideration Holdback | Data Plus Math Corporation | 2024 |
Share-based compensation |
Future share-based compensation expense expected | 0.0
Consideration Holdback | Data Plus Math Corporation | 2025 |
Share-based compensation |
Future share-based compensation expense expected | 0.0
Pacific Data Partners, LLC Agreement Plan | Pacific Data Partners LLC |
Share-based compensation |
Future share-based compensation expense expected | 13.8
Pacific Data Partners, LLC Agreement Plan | Pacific Data Partners LLC | 2021 |
Share-based compensation |
Future share-based compensation expense expected | 4.6
Pacific Data Partners, LLC Agreement Plan | Pacific Data Partners LLC | 2022 |
Share-based compensation |
Future share-based compensation expense expected | 9.2
Pacific Data Partners, LLC Agreement Plan | Pacific Data Partners LLC | 2023 |
Share-based compensation |
Future share-based compensation expense expected | 0.0
Pacific Data Partners, LLC Agreement Plan | Pacific Data Partners LLC | 2024 |
Share-based compensation |
Future share-based compensation expense expected | 0.0
Pacific Data Partners, LLC Agreement Plan | Pacific Data Partners LLC | 2025 |
Share-based compensation |
Future share-based compensation expense expected | 0.0
Acuity Performance Earnout | Acuity Data |
Share-based compensation |
Future share-based compensation expense expected | 3.7
Acuity Performance Earnout | Acuity Data | 2021 |
Share-based compensation |
Future share-based compensation expense expected | 0.8
Acuity Performance Earnout | Acuity Data | 2022 |
Share-based compensation |
Future share-based compensation expense expected | 1.9
Acuity Performance Earnout | Acuity Data | 2023 |
Share-based compensation |
Future share-based compensation expense expected | 0.8
Acuity Performance Earnout | Acuity Data | 2024 |
Share-based compensation |
Future share-based compensation expense expected | 0.2
Acuity Performance Earnout | Acuity Data | 2025 |
Share-based compensation |
Future share-based compensation expense expected | 0.0
Other stock-based compensation |
Share-based compensation |
Future share-based compensation expense expected | 1.0
Other stock-based compensation | 2021 |
Share-based compensation |
Future share-based compensation expense expected | 0.6
Other stock-based compensation | 2022 |
Share-based compensation |
Future share-based compensation expense expected | 0.4
Other stock-based compensation | 2023 |
Share-based compensation |
Future share-based compensation expense expected | 0.0
Other stock-based compensation | 2024 |
Share-based compensation |
Future share-based compensation expense expected | 0.0
Other stock-based compensation | 2025 |
Share-based compensation |
Future share-based compensation expense expected | $ 0.0

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