XML 93 R79.htm IDEA: XBRL DOCUMENT v3.22.0.1
INCOME TAXES - Net Deferred Income Tax Assets And Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Deferred income tax assets:    
Self-insurance accruals $ 111,058 $ 104,346
Net operating loss carryforwards 271,203 381,585
Accrued compensation and benefits 68,968 46,321
Pension benefits 16,862 75,466
Deferred revenue 152,435 170,958
Other, including federal benefit on state tax positions 30,613 35,104
Deferred tax assets gross 651,139 813,780
Valuation allowance (23,456) (41,153)
Deferred tax assets net 627,683 772,627
Deferred income tax liabilities:    
Property and equipment basis differences (1,873,598) (1,888,112)
Other (23,818) (5,379)
Deferred tax liabilities, gross (1,897,416) (1,893,491)
Net deferred income tax liability (1,269,733) (1,120,864)
Deferred tax assets included in Sales-type lease and other assets $ 5,000 $ 5,000