Note 13 - Property and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Property, Plant and Equipment [Table Text Block]

(in thousands)	March 31, 2022		December 31, 2021		March 31, 2021
Equipment and vehicles	$	885,445	$	870,672	$	826,472
Quarry property		205,908		191,982		202,620
Land and land improvements		108,397		108,518		116,910
Buildings and leasehold improvements		95,895		96,180		96,110
Office furniture and equipment		76,952		75,043		71,914
Property and equipment		1,372,597		1,342,395		1,314,026
Less: accumulated depreciation and depletion		922,347		908,891		887,073
Property and equipment, net	$	450,250	$	433,504	$	426,953