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Share-Based Compensation
 3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Share-Based Compensation Share-Based Compensation
Total share-based compensation expenses were as follows (in millions):
Three months ended March 31,
20242023
Option awards$5.3 $5.8 
Other share-based awards 5.0 6.2 
Total share-based compensation before tax 10.3 12.0 
Tax benefit 2.5 2.8 
Total share-based compensation expense included in net income$7.8 $9.2 
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 March 31, 2024, there was $83.3 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 2.0 years. Included in unrecognized share-based compensation expense was approximately $11.9 million related to stock options and $71.4 million for restricted stock.