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Accrued Liabilities
12 Months Ended
Dec. 31, 2020
Payables and Accruals [Abstract]  
Accrued Liabilities Accrued Liabilities
Other current liabilities consisted of the following at December 31:
(in thousands)20202019
Payroll and incentive compensation$30,145 $22,645 
Union dues and benefits17,800 18,747 
Taxes18,130 6,790 
Profit sharing and thrift plan10,763 5,325 
Net asset adjustments— 987 
Joint venture liability— 652 
Other9,880 9,218 
$86,718 $64,364 
See additional information on net asset adjustments provided in Note 2–Acquisitions to the Financial Statements.