Note 3 - Acquisitions (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Redeemable Noncontrolling Interest [Table Text Block]

	Year Ended December 31,
	2018			2017			2016
Balance at beginning of period	$	43,929		$	33,138		$	-
Noncontrolling interest of Pramac		-			1,540	(1)		34,253
Net income		2,214			1,631			100
Foreign currency translation		(3,109	)		8,529			(2,124	)
Redemption value adjustment		17,970			(909	)		909
Balance at end of period	$	61,004		$	43,929		$	33,138

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

	March 1, 2016
Accounts receivable	$	50,716
Inventories		39,889
Property and equipment		19,138
Intangible assets		34,471
Goodwill		46,775
Other assets		7,698
Total assets acquired		198,687
Short-term borrowings		21,741
Accounts payable		40,270
Long-term debt and capital lease obligations (including current portion)		18,599
Other liabilities		23,521
Redeemable noncontrolling interest		34,253
Noncontrolling interest		53
Net assets acquired	$	60,250

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

	Year Ended December 31,
	2018		2017		2016
Net Sales:
As reported	$	2,023,464	$	1,679,373	$	1,447,743
Pro forma		2,038,739		1,742,453		1,581,699
Net income attributable to Generac Holdings Inc.:
As reported	$	238,257	$	157,808	$	97,154
Pro forma		238,362		161,854		103,193
Net income attributable to Generac Holdings Inc. per common share - diluted
As reported	$	3.54	$	2.53	$	1.47
Pro forma		3.54		2.60		1.56