XML 90 R71.htm IDEA: XBRL DOCUMENT v3.21.2
INCOME TAXES - Components of Net Deferred Tax Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Sep. 30, 2020
Deferred tax liabilities:    
Property, plant and equipment $ 598,798 $ 685,389
Marketable securities 1,669 1,957
Other 26,244 26,138
Total deferred tax liabilities 626,711 713,484
Deferred tax assets:    
Pension reserves 5,791 7,369
Self-insurance reserves 7,862 10,360
Net operating loss, foreign tax credit, and other federal tax credit carryforwards 25,474 33,747
Financial accruals 31,910 32,481
Other 17,963 15,632
Total deferred tax assets 89,000 99,589
Valuation allowance (25,726) (36,780)
Net deferred tax assets 63,274 62,809
Net deferred tax liabilities $ 563,437 $ 650,675