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401(k) Profit Sharing, Deferred Compensation and Long-term Incentive Plans (Tables)
12 Months Ended
Dec. 31, 2022
Postemployment Benefits [Abstract]  
Summary of SERP
The following is a summary related to our SERP:
Year Ended December 31,
($ in millions)202220212020
Compensation expense$1.1 $1.4 $1.2 
Total discretionary contribution$1.0 $0.9 $0.9 
Guaranteed annual return5.00 %5.00 %5.00 %