XML 15 R46.htm IDEA: XBRL DOCUMENT v3.2.0.727

Note 13 - Subsequent Events (Details)	Aug. 05, 2015 USD ($)	Aug. 01, 2015
Subsequent Event [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Stock Repurchase Program, Authorized Amount	$ 200,000
Country Home Products [Member]
Note 13 - Subsequent Events (Details) [Line Items]
Entity Number of Employees		200

X

- Definition

Number of persons employed by the Entity

+ References

No definition available.

+ Details

Name:	dei_EntityNumberOfEmployees
Namespace Prefix:	dei_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	gnrc_Note13SubsequentEventsDetailsLineItems
Namespace Prefix:	gnrc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=gnrc_CountryHomeProductsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: