Note 4 - Revisions in Estimates (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Change in Accounting Estimate [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Number of projects with downward estimate changes		4		—		5		2
Range of reduction in gross profit from each project, net	$	5.7 - 7.6	$	—	$	5.6 - 10.6	$	5.3 - 6.1
Decrease to project profitability	$	25.2	$	—	$	35.6	$	11.4
Decrease to net income/increase to net loss from continuing operations	$	19.3	$	—	$	27.3	$	8.9
Amounts attributable to non-controlling interests	$	3.0	$	—	$	3.0	$	2.6
Decrease to net income/increase to net loss attributable to Granite Construction Incorporated from continuing operations	$	16.3	$	—	$	24.2	$	6.3
Decrease to net income/increase to net loss per diluted share attributable to common shareholders from continuing operations	$	0.37	$	—	$	0.54	$	0.14