Accrued liabilities consisted of the following as of:


	March 31, 2024		December 31, 2023
	(in thousands)
Accrued payroll and other employee related expenses	$	196,466	$	383,157
Self-insurance reserves		92,049		89,987
Accrued business taxes		62,248		59,110
Accrued interest		30,185		34,537
Accrued rebates payable		22,028		35,921
Amounts accrued for repurchases of common stock		19,788		16,988
Accrued professional services fees		13,589		20,460
Accrued contingent consideration & purchase price adjustments		6,111		43,127
Other		41,478		34,241
Total accrued liabilities	$	483,942	$	717,528