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Labor Union Contracts (Details) - Unionized employees concentration risk
3 Months Ended
Mar. 31, 2023
Total number of employees  
Concentration risk  
Concentration risk, percent 20.00%
Workforce subject to collective bargaining arrangements that expired  
Concentration risk  
Concentration risk, percent 1.00%
Workforce subject to collective bargaining arrangements expiring within one year  
Concentration risk  
Concentration risk, percent 9.00%