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Share-Based Compensation
9 Months Ended
Sep. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Share-Based Compensation Share-Based Compensation
We have certain share-based compensation plans. Under the fair value method, compensation cost is measured at the grant date based on the fair value of the award and is recognized over the service period which generally corresponds to the vesting period. Awards under our plans generally vest over periods ranging from one to three years, although awards to our non-employee directors vest immediately.

Table 13.1 shows the number of restricted stock units (RSUs) granted to employees and non-employee directors and the weighted average fair value per share during the periods presented.
Restricted stock unit grants
Table
13.1
Nine months ended September 30,
20232022
RSUs Granted
(in thousands)
Weighted Average Share Fair Value
RSUs Granted
(in thousands)
Weighted Average Share Fair Value
RSUs subject to performance conditions(1)949 $14.17 848 $15.46 
RSUs subject only to service conditions354 14.17 319 15.45 
Non-employee director RSUs106 14.17 104 15.32 
(1)Shares granted are subject to performance conditions under which the target number of shares granted may vest up to 200%.