XML 48 R34.htm IDEA: XBRL DOCUMENT v3.22.0.1
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2021
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
  Additions  
DescriptionBalance at
Beginning
of Period		Charged to
Earnings
Transferred
from Other
Accounts (1)
Deductions (2)
Balance
at End
of Period
 (In thousands)
2021
Accounts receivable allowance$43,024 1,632 — 13,352 $31,304 
Self-insurance accruals (3)
$443,615 478,209 89,078 545,411 $465,491 
Valuation allowance on deferred tax assets$41,153 (17,697)— — $23,456 
2020
Accounts receivable allowance $22,761 34,191 — 13,928 $43,024 
Self-insurance accruals (3)
$410,985 426,065 88,928 482,363 $443,615 
Valuation allowance on deferred tax assets$17,577 25,510 — 1,934 $41,153 
2019
Accounts receivable allowance$17,182 23,003 — 17,424 $22,761 
Self-insurance accruals (3)
$357,526 436,148 86,832 469,521 $410,985 
Valuation allowance on deferred tax assets$16,186 1,906 — 515 $17,577 
_______________ 
(1)Transferred from other accounts includes employee contributions made to the medical and dental self-insurance plans.
(2)Deductions represent write-offs and insurance claim payments during the period.
(3)Self-insurance accruals include vehicle liability, workers’ compensation, property damage, cargo and medical and dental, which comprise our self-insurance programs. Amounts charged to earnings included developments in prior years' selected loss development factors, which benefited earnings by $6 million in 2021 and charged earnings by $18 million in 2020 and 2019.