Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements. (Details) - Schedule of recurring and nonrecurring fair value measurements

v3.21.2
Fair Value Measurements. (Details) - Schedule of recurring and nonrecurring fair value measurements - USD ($)
$ in Thousands
Dec. 31, 2021
Sep. 30, 2021
Assets:    
Asset $ 93,032 $ 43,135
Liabilities:    
Liabilities (2,735)
Derivative Financial Instrument [Member]    
Assets:    
Asset $ 17,149 12,977
Benefit Plan Percentage Allocation  
Liabilities:    
Liabilities   (2,735)
Long-lived assets held-for-sale [Member]    
Assets:    
Asset $ 58,295 30,158
Benefit Plan Percentage Allocation  
Defined Benefit Plan Assets [Member]    
Assets:    
Asset [1]  
Benefit Plan Percentage Allocation [1]  
Large U,S Equity [Member]    
Assets:    
Asset [2] $ 5,470  
Benefit Plan Percentage Allocation [2] 31.00%  
Small/Mid U.S Equity [Member]    
Assets:    
Asset [3] $ 2,605  
Benefit Plan Percentage Allocation [3] 15.00%  
International Equity [Member]    
Assets:    
Asset [4] $ 2,921  
Benefit Plan Percentage Allocation [4] 17.00%  
Fixed Income [Member]    
Assets:    
Asset [5] $ 6,592  
Benefit Plan Percentage Allocation [5] 37.00%  
Level 1 [Member]    
Assets:    
Asset $ 17,149 12,977
Liabilities:    
Liabilities (2,735)
Level 1 [Member] | Derivative Financial Instrument [Member]    
Assets:    
Asset 17,149 12,977
Liabilities:    
Liabilities   (2,735)
Level 1 [Member] | Long-lived assets held-for-sale [Member]    
Assets:    
Asset
Level 1 [Member] | Defined Benefit Plan Assets [Member]    
Assets:    
Asset [1]  
Level 1 [Member] | Large U,S Equity [Member]    
Assets:    
Asset [2]  
Level 1 [Member] | Small/Mid U.S Equity [Member]    
Assets:    
Asset [3]  
Level 1 [Member] | International Equity [Member]    
Assets:    
Asset [4]  
Level 1 [Member] | Fixed Income [Member]    
Assets:    
Asset [5]  
Level 2 [Member]    
Assets:    
Asset 17,588
Liabilities:    
Liabilities
Level 2 [Member] | Derivative Financial Instrument [Member]    
Assets:    
Asset
Liabilities:    
Liabilities  
Level 2 [Member] | Long-lived assets held-for-sale [Member]    
Assets:    
Asset
Level 2 [Member] | Defined Benefit Plan Assets [Member]    
Assets:    
Asset [1]  
Level 2 [Member] | Large U,S Equity [Member]    
Assets:    
Asset [2] 5,470  
Level 2 [Member] | Small/Mid U.S Equity [Member]    
Assets:    
Asset [3] 2,605  
Level 2 [Member] | International Equity [Member]    
Assets:    
Asset [4] 2,921  
Level 2 [Member] | Fixed Income [Member]    
Assets:    
Asset [5] 6,592  
Level 3 [Member]    
Assets:    
Asset 58,295 30,158
Liabilities:    
Liabilities
Level 3 [Member] | Derivative Financial Instrument [Member]    
Assets:    
Asset
Liabilities:    
Liabilities  
Level 3 [Member] | Long-lived assets held-for-sale [Member]    
Assets:    
Asset 58,295 $ 30,158
Level 3 [Member] | Defined Benefit Plan Assets [Member]    
Assets:    
Asset [1]  
Level 3 [Member] | Large U,S Equity [Member]    
Assets:    
Asset [2]  
Level 3 [Member] | Small/Mid U.S Equity [Member]    
Assets:    
Asset [3]  
Level 3 [Member] | International Equity [Member]    
Assets:    
Asset [4]  
Level 3 [Member] | Fixed Income [Member]    
Assets:    
Asset [5]  
[1] Included in other assets in the consolidated balance sheets.
[2] This category includes investments in funds comprised of equity securities of large U.S. companies. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.
[3] This category includes investments in funds comprised of equity securities of small- and medium-sized U.S. companies. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.
[4] This category includes investments in funds comprised of equity securities of foreign companies including emerging markets. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.
[5] This category includes investments in funds comprised of U.S. and foreign investment-grade fixed income securities, high-yield fixed income securities that are rated below investment-grade, U.S. treasury securities, mortgage-backed securities, and other asset-backed securities. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.