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Stock-based Compensation (Tables)
 6 Months Ended
Jun. 30, 2022
Share-Based Payment Arrangement [Abstract]  
Stock Option Activity
The table below summarizes stock option activity for the twenty-six weeks ended June 30, 2022.
OptionsWeighted Average Exercise Price
Outstanding at December 31, 20212,503,654 $26.81 
Exercised(240,735)21.50 
Forfeited or expired(34,211)52.88 
Outstanding at June 30, 2022
2,228,708 $26.99 
Vested and exercisable at June 30, 2022
1,831,270 $22.01 
Restricted Stock Unit Activity
The following table summarizes restricted stock unit activity during the twenty-six weeks ended June 30, 2022:
Restricted Stock Units
Service-basedPerformance-basedTotal Restricted Stock Units
Unvested at December 31, 2021214,778 — 214,778 
Granted230,208 36,566 266,774 
Vested(52,351)— (52,351)
Forfeited(9,718)— (9,718)
Unvested at June 30, 2022382,917 36,566 419,483 
Restricted Stock Award Activity
The following table summarizes restricted stock award activity during the twenty-six weeks ended June 30, 2022:
Restricted Stock Awards
Service-basedPerformance-basedTotal Stock Return (TSR)Total Restricted Stock Awards
Unvested at December 31, 2021144,725 160,315 104,456 409,496 
Vested(24,656)— — (24,656)
Forfeited(16,195)(25,997)(16,939)(59,131)
Unvested at June 30, 2022103,874 134,318 87,517 325,709