XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.21.2

Note 2 - Acquisitions (Details Textual) - USD ($) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 01, 2021 | Oct. 07, 2020 | Sep. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  |  | $ 419,017 | $ (0) |
Goodwill, Ending Balance |  |  |  | $ 1,109,908 |  | $ 855,228
Acquisition of Deep Sea [Member] |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total | $ 420,700 |  |  |  |  |
Business Acquisition, Purchase Price Allocation, Intangible Assets Including Goodwill | 437,120 |  |  |  |  |
Goodwill, Ending Balance | $ 264,975 |  |  |  |  |
Acquisition of Enbala [Member] |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  | $ 41,982 |  |  |  |
Business Acquisition, Purchase Price Allocation, Intangible Assets Including Goodwill |  | 46,645 |  |  |  |
Goodwill, Ending Balance |  | $ 27,345 |  |  |  |
Other 2020 Acquisitions [Member] |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  |  | $ 20,905 |  |  |

X
- Definition The amount of acquisition cost of a business combination allocated to an identifiable intangible asset including goodwill. + References No definition available. + Details
Name: | gnrc_BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsIncludingGoodwill
Namespace Prefix: | gnrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=gnrc_AcquisitionOfDeepSeaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=gnrc_AcquisitionOfEnbalaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=gnrc_Other2020AcquisitionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |