Note 5 - Disaggregation of Revenue (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

2021	Transportation		Water		Specialty		Materials		Total
California	$	111,370	$	10,999	$	45,698	$	41,956	$	210,023
Federal		1,854		130		22,086		—		24,070
Heavy Civil		151,743		7,342		22,014		—		181,099
Midwest		16,955		—		20,332		—		37,287
Northwest		69,107		1,434		25,907		17,405		113,853
Water and Mineral Services		—		79,848		19,637		4,096		103,581
Total	$	351,029	$	99,753	$	155,674	$	63,457	$	669,913

2020	Transportation		Water		Specialty		Materials		Total
California	$	94,932	$	5,512	$	44,488	$	33,267	$	178,199
Federal		398		381		26,491		—		27,270
Heavy Civil		167,426		7,102		3,494		—		178,022
Midwest		24,243		—		11,503		—		35,746
Northwest		63,902		1,657		31,613		14,453		111,625
Water and Mineral Services		—		87,005		15,450		2,610		105,065
Total	$	350,901	$	101,657	$	133,039	$	50,330	$	635,927