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Supplemental Cash Flow Information
3 Months Ended
Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information Supplemental Cash Flow Information
Cash paid for Interest and Income Taxes:
 Three Months Ended December 31,
 20212020
 (Dollars in thousands)
Interest paid$15,214 $21,087 
Income taxes paid$2,582 $2,738