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Accrued Liabilities (Tables)
12 Months Ended
Dec. 31, 2021
Payables And Accruals [Abstract]  
Summary of Accrued Expenses

Accrued expenses consisted of the following at December 31, 2021 and 2020 (in thousands):

 

 

 

2021

 

 

2020

 

Salaries, wages, payroll taxes and benefits

 

$

52,252

 

 

$

37,627

 

Workers’ compensation liability

 

 

67,921

 

 

 

70,847

 

Property, sales, use and other taxes

 

 

9,673

 

 

 

10,666

 

Insurance, other than workers’ compensation

 

 

6,494

 

 

 

8,462

 

Accrued interest payable

 

 

11,226

 

 

 

11,325

 

Accrued restructuring expenses

 

 

7,884

 

 

 

14,310

 

Customer prepayment

 

 

60,282

 

 

 

599

 

Other

 

 

22,779

 

 

 

21,767

 

Accrued liabilities

 

$

238,511

 

 

$

175,603