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Restructuring (Narrative) (Details) - employee
3 Months Ended
Dec. 31, 2022
Dec. 31, 2019
2022 Repositioning    
Restructuring Cost and Reserve [Line Items]    
Number of positions eliminated 300  
Restructuring and related cost, number of positions eliminated, period percent 3.00%  
2019 Repositioning    
Restructuring Cost and Reserve [Line Items]    
Number of positions eliminated   180
Restructuring and related cost, number of positions eliminated, period percent   1.00%