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Accrued Liabilities
 12 Months Ended
Dec. 31, 2023
Accrued Liabilities [Abstract]  
Accrued Liabilities Accrued Liabilities
December 31,
(in thousands)20232022
Accrued insurance costs$77,318 $87,298 
Deferred revenue72,605 73,953 
Accrued compensation39,419 22,880 
Taxes other than income27,672 32,519 
Accrued interest payable25,137 24,309 
Accrued dividends21,491 27,428 
Income taxes payable15,767 8,034 
Accrued legal settlement8,750 7,650 
Deferred compensation8,488 8,025 
Accrued other26,258 28,528 
Total Accrued liabilities$322,905 $320,624