Note 3 - Acquisitions (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Assets
Cash	$	2,995
Receivables		70,160
Contract assets		44,947
Inventories		23,424
Other current assets		5,533
Property and equipment		183,030
Investments in affiliates		55,400
Deferred income taxes		20,959
Other noncurrent assets (including $5,906 of restricted cash)		17,868
Total tangible assets		424,316
Identifiable intangible assets		61,548
Liabilities
Identifiable intangible liabilities		6,800
Accounts payable		38,321
Contract liabilities		7,854
Accrued expenses and other current liabilities		47,583
Long-term debt		191,500
Other long-term liabilities		31,585
Total liabilities assumed		323,643
Total identifiable net assets acquired		162,221
Goodwill		187,619
Estimated purchase price	$	349,840

Schedule of Finite Lived Intangible Assets and Liabilities [Table Text Block]

	Weighted Average Useful Lives (Years)		Gross Value		Accumulated Amortization			Net Value
Assets
Customer relationships		3	$	35,937	$	(5,880	)	$	30,057
Backlog		2		9,713		(5,795	)		3,918
Developed technologies		4		9,233		(1,384	)		7,849
Trademarks/trade name		4		9,075		(1,382	)		7,693
Favorable contracts, covenants not to compete and other		1		5,731		(2,461	)		3,270
Intangible assets			$	69,689	$	(16,902	)	$	52,787
Liabilities
Unfavorable contracts and leases		2	$	7,000	$	(4,726	)	$	2,274
Intangible liabilities			$	7,000	$	(4,726	)	$	2,274

Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block]

	As Restated
Years Ended December 31,	2018		2017
Revenue	$	3,499,606		$	3,425,317
Net income (loss)		62,480			(40,002	)
Net income (loss) attributable to Granite		51,526			(48,343	)
Basic net income (loss) per share attributable to common shareholders		1.12			(1.06	)
Diluted net income (loss) per share attributable to common shareholders		1.15			(1.06	)