Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements (Details)

v3.26.1
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Sep. 30, 2025
Assets:    
Derivatives $ 345 $ 39
Equity and fixed income mutual funds 575 859
Life insurance policies 4,127 5,239
Total assets at fair value 5,047 6,137
Liabilities:    
Derivatives 54,810 60,918
Total liabilities at fair value 54,810 60,918
Cross-Currency Swaps    
Liabilities:    
Advance payments received from counterparties 40,186 40,186
Level 1    
Assets:    
Derivatives 0 0
Equity and fixed income mutual funds 0 0
Life insurance policies 0 0
Total assets at fair value 0 0
Liabilities:    
Derivatives 0 0
Total liabilities at fair value 0 0
Level 2    
Assets:    
Derivatives 345 39
Equity and fixed income mutual funds 575 859
Life insurance policies 4,127 5,239
Total assets at fair value 5,047 6,137
Liabilities:    
Derivatives 54,810 60,918
Total liabilities at fair value 54,810 60,918
Level 3    
Assets:    
Derivatives 0 0
Equity and fixed income mutual funds 0 0
Life insurance policies 0 0
Total assets at fair value 0 0
Liabilities:    
Derivatives 0 0
Total liabilities at fair value $ 0 $ 0