XML 43 R31.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 1 - Description of Business and Basis of Presentation - Impact of Adopting Accounting Standards (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Accounts receivable, less allowance for doubtful accounts $ 311,668 $ 240,142 $ 311,668 $ 240,142 $ 279,294
Inventories 479,880 384,191 479,880 384,191 387,049
Other accrued liabilities 147,628 98,596 147,628 98,596 112,618
Deferred income taxes 57,506 34,385 57,506 34,385 41,852
Other long-term liabilities 93,364 72,477 93,364 72,477 82,893
Retained earnings 687,772 490,494 687,772 490,494 610,835
Accounts receivable 311,668 240,142 311,668 240,142 279,294
Inventories 479,880 384,191 479,880 384,191 387,049
Other accrued liabilities 147,628 98,596 147,628 98,596 112,618
Deferred income taxes 57,506 34,385 57,506 34,385 41,852
Other long-term liabilities 93,364 72,477 93,364 72,477 82,893
Retained earnings 687,772 490,494 687,772 490,494 610,835
Net sales 494,949 394,875 892,583 725,360  
Costs of goods sold 318,693 261,954 576,338 483,639  
Selling and service 46,052 42,010 88,734 81,477  
Research and development 12,616 10,553 24,469 20,840  
General and administrative 26,639 21,407 50,114 42,380  
Other, net 861 1,577 2,244 1,494  
Provision for income taxes 18,382 13,878 29,798 21,701  
Net income attributable to Generac Holdings Inc. $ 53,261 $ 25,291 $ 86,906 $ 37,466  
Net income attributable to common shareholders per common share - basic: (in dollars per share) $ 0.83 $ 0.41 $ 1.25 $ 0.62  
Net income attributable to common shareholders per common share - diluted: (in dollars per share) $ 0.82 $ 0.41 $ 1.24 $ 0.61  
Comprehensive income attributable to Generac Holdings Inc. $ 47,884 $ 32,208 $ 92,587 $ 47,928  
Net income $ 54,231 25,376 88,001 37,558  
Deferred income taxes     6,257 16,500  
Accounts receivable     (24,876) 2,504  
Inventories     (85,592) (8,236)  
Other accrued liabilities     36,578 (3,144)  
Net cash provided by operating activities     79,657 54,276  
Proceeds from beneficial interests in securitization transactions     1,929 1,398  
Net cash used in investing activities     $ (82,127) (7,427)  
Previously Reported [Member]          
Accounts receivable, less allowance for doubtful accounts   243,285   243,285 280,002
Inventories   378,110   378,110 380,341
Other accrued liabilities   93,343   93,343 105,067
Deferred income taxes   37,575   37,575 43,789
Other long-term liabilities   66,633   66,633 76,995
Retained earnings   495,463   495,463 616,347
Accounts receivable   243,285   243,285 280,002
Inventories   378,110   378,110 380,341
Other accrued liabilities   93,343   93,343 105,067
Deferred income taxes   37,575   37,575 43,789
Other long-term liabilities   66,633   66,633 76,995
Retained earnings   495,463   495,463 616,347
Net sales   395,376   727,190  
Costs of goods sold   260,916   482,244  
Selling and service   43,116   83,300  
Research and development   10,567   20,868  
General and administrative   21,361   42,334  
Other, net   1,437   1,214  
Provision for income taxes   14,114   22,365  
Net income attributable to Generac Holdings Inc.   $ 25,660   $ 38,502  
Net income attributable to common shareholders per common share - basic: (in dollars per share)   $ 0.42   $ 0.63  
Net income attributable to common shareholders per common share - diluted: (in dollars per share)   $ 0.41   $ 0.63  
Comprehensive income attributable to Generac Holdings Inc.   $ 32,577   $ 48,964  
Net income       38,594  
Deferred income taxes       17,164  
Accounts receivable       5,362  
Inventories       (13,981)  
Other accrued liabilities       (559)  
Net cash provided by operating activities       55,674  
Proceeds from beneficial interests in securitization transactions        
Net cash used in investing activities       (8,825)  
Restatement Adjustment [Member] | Accounting Standards Update 2014-09 [Member]          
Accounts receivable, less allowance for doubtful accounts   (3,143)   (3,143) (708)
Inventories   6,081   6,081 6,708
Other accrued liabilities   5,253   5,253 7,551
Deferred income taxes   (3,190)   (3,190) (1,937)
Other long-term liabilities   5,844   5,844 5,898
Retained earnings   (4,969)   (4,969) (5,513)
Accounts receivable   (3,143)   (3,143) (708)
Inventories   6,081   6,081 6,708
Other accrued liabilities   5,253   5,253 7,551
Deferred income taxes   (3,190)   (3,190) (1,937)
Other long-term liabilities   5,844   5,844 5,898
Retained earnings   (4,969)   (4,969) $ (5,513)
Net sales   (501)   (1,830)  
Costs of goods sold   1,038   1,395  
Selling and service   (1,106)   (1,823)  
Research and development   (14)   (28)  
General and administrative   46   46  
Other, net   140   280  
Provision for income taxes   (236)   (664)  
Net income attributable to Generac Holdings Inc.   $ (369)   $ (1,036)  
Net income attributable to common shareholders per common share - basic: (in dollars per share)   $ (0.01)   $ (0.01)  
Net income attributable to common shareholders per common share - diluted: (in dollars per share)     $ (0.02)  
Comprehensive income attributable to Generac Holdings Inc.   $ (369)   $ (1,036)  
Net income       (1,036)  
Deferred income taxes       (664)  
Accounts receivable       (2,858)  
Inventories       5,745  
Other accrued liabilities       (2,585)  
Net cash provided by operating activities       (1,398)  
Proceeds from beneficial interests in securitization transactions       1,398  
Net cash used in investing activities       $ 1,398