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Share-Based Compensation | 9 Months Ended
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Sep. 30, 2021
Share-based Payment Arrangement [Abstract] |
Share-Based Compensation | Share-Based Compensation The amount of compensation cost for share-based awards recognized during a period is based on the portion of the awards that are ultimately expected to vest. The Company estimates forfeitures at the time of grant and revises those estimates in subsequent periods if actual forfeitures differ from those estimates. The Company analyzes historical data to estimate pre-vesting forfeitures and records share-based compensation expense for those awards expected to vest. Total share-based compensation expenses were comprised as follows (in millions):
| Three months ended September 30, |  | Nine months ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Option awards | $ | 2.3 |  |  | $ | 6.3 |  |  | $ | 7.6 |  |  | $ | 15.9 |
Other share-based awards | 13.1 |  |  | 17.6 |  |  | 31.2 |  |  | 34.8 |
Total share-based compensation before tax | 15.4 |  |  | 23.9 |  |  | 38.8 |  |  | 50.7 |
Tax benefit | 3.7 |  |  | 5.7 |  |  | 9.3 |  |  | 12.1 |
Total share-based compensation expense included in net income (loss) | $ | 11.7 |  |  | $ | 18.2 |  |  | $ | 29.5 |  |  | $ | 38.6 |
In addition to the above share-based compensation expenses, the Company sponsors a qualified non-leveraged employee stock ownership plan (ESOP). Shares allocated to eligible participants’ accounts vest at various percentage rates based on years of service and require no cash payments from the recipient.As of September 30, 2021, there was $69.3 million of total unrecognized share-based compensation expense related to unvested share-based equity awards. Unrecognized share-based compensation expense is expected to be recognized over a weighted-average period of 1.25 years. Included in unrecognized share-based compensation expense was approximately $8.0 million related to stock options and $61.3 million related to restricted stock.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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