Note 1 - Description of Business and Basis of Presentation (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

Condensed Consolidated Balance Sheets	June 30, 2017
	As Reported		Impact of Adoption			As Adjusted
Accounts receivable	$	243,285	$	(3,143	)	$	240,142
Inventories		378,110		6,081			384,191
Other accrued liabilities		93,343		5,253			98,596
Deferred income taxes		37,575		(3,190	)		34,385
Other long-term liabilities		66,633		5,844			72,477
Retained earnings	$	495,463	$	(4,969	)	$	490,494

	December 31, 2017
	As Reported		Impact of Adoption			As Adjusted
Accounts receivable	$	280,002	$	(708	)	$	279,294
Inventories		380,341		6,708			387,049
Other accrued liabilities		105,067		7,551			112,618
Deferred income taxes		43,789		(1,937	)		41,852
Other long-term liabilities		76,995		5,898			82,893
Retained earnings	$	616,347	$	(5,513	)	$	610,835

Condensed Consolidated Statements of Comprehensive Income	Three Months Ended June 30, 2017
	As Reported		Impact of Adoption			As Adjusted
Net sales	$	395,376	$	(501	)	$	394,875
Cost of goods sold		260,916		1,038			261,954
Selling and service expenses		43,116		(1,106	)		42,010
Research and development expenses		10,567		(14	)		10,553
General and administrative expenses		21,361		46			21,407
Other, net		1,437		140			1,577
Provision for income taxes		14,114		(236	)		13,878
Net income attributable to Generac Holdings Inc.	$	25,660	$	(369	)	$	25,291
Earnings per share
Basic	$	0.42	$	(0.01	)	$	0.41
Diluted	$	0.41	$	-		$	0.41
Comprehensive income attributable to Generac Holdings Inc.	$	32,577	$	(369	)	$	32,208

	Six Months Ended June 30, 2017
	As Reported		Impact of Adoption			As Adjusted
Net sales	$	727,190	$	(1,830	)	$	725,360
Cost of goods sold		482,244		1,395			483,639
Selling and service expenses		83,300		(1,823	)		81,477
Research and development expenses		20,868		(28	)		20,840
General and administrative expenses		42,334		46			42,380
Other, net		1,214		280			1,494
Provision for income taxes		22,365		(664	)		21,701
Net income attributable to Generac Holdings Inc.	$	38,502	$	(1,036	)	$	37,466
Earnings per share
Basic	$	0.63	$	(0.01	)	$	0.62
Diluted	$	0.63	$	(0.02	)	$	0.61
Comprehensive income attributable to Generac Holdings Inc.	$	48,964	$	(1,036	)	$	47,928

Condensed Consolidated Statement of Cash Flows	Six Months Ended June 30, 2017
	As Reported			Impact of Adoption			As Adjusted
Net income	$	38,594		$	(1,036	)	$	37,558
Deferred income taxes		17,164			(664	)		16,500
Accounts receivable		5,362			(2,858	)		2,504
Inventories		(13,981	)		5,745			(8,236	)
Other accrued liabilities		(559	)		(2,585	)		(3,144	)
Net cash provided by operating activities	$	55,674		$	(1,398	)	$	54,276
Proceeds from beneficial interests in securitization transactions	$	-		$	1,398		$	1,398
Net cash used in investing activities	$	(8,825	)	$	1,398		$	(7,427	)