ACCRUED EXPENSES (Tables)

12 Months Ended

Dec. 31, 2020

ACCRUED EXPENSES

Schedule of accrued expenses

	December 31
	2020		2019
	(in thousands)
Workers’ compensation, third-party casualty, and loss and damage claims reserves	$	103,898	$	107,149
Accrued vacation pay		51,728		47,730
Accrued compensation, including retirement benefits(1)		67,690		52,720
Taxes other than income		10,468		8,722
Other		12,962		16,000
Total accrued expenses	$	246,746	$	232,321