XML 44 R33.htm IDEA: XBRL DOCUMENT v3.7.0.1

Note 3 - Derivative Instruments and Hedging Activities - Interest Rate Swaps Qualifying as Cash Flow Hedges (Details) $ in Millions	1 Months Ended
	Jun. 30, 2017 USD ($)
Interest Rate Swap Agreement One [Member]
Expiration Date	Jul. 01, 2019
Contract Date	Jun. 19, 2017
Effective Date	Jul. 02, 2018
Notional Amount	$ 125
Fixed LIBOR Rate	1.6543%
Interest Rate Swap Agreement Two [Member]
Expiration Date	Jul. 01, 2020
Contract Date	Jun. 19, 2017
Effective Date	Jul. 01, 2019
Notional Amount	$ 125
Fixed LIBOR Rate	1.9053%
Interest Rate Swap Agreement Three [Member]
Expiration Date	Jul. 01, 2021
Contract Date	Jun. 19, 2017
Effective Date	Jul. 01, 2020
Notional Amount	$ 125
Fixed LIBOR Rate	2.1328%
Interest Rate Swap Agreement Four [Member]
Expiration Date	Jul. 01, 2022
Contract Date	Jun. 19, 2017
Effective Date	Jul. 01, 2021
Notional Amount	$ 125
Fixed LIBOR Rate	2.3453%
Interest Rate Swap Agreement Five [Member]
Expiration Date	May 31, 2023
Contract Date	Jun. 19, 2017
Effective Date	Jul. 01, 2022
Notional Amount	$ 125
Fixed LIBOR Rate	2.4828%
Interest Rate Swap Agreement Six [Member]
Expiration Date	Jul. 01, 2019
Contract Date	Jun. 30, 2017
Effective Date	Jul. 02, 2018
Notional Amount	$ 125
Fixed LIBOR Rate	1.709%
Interest Rate Swap Agreement Seven [Member]
Expiration Date	Jul. 01, 2020
Contract Date	Jun. 30, 2017
Effective Date	Jul. 01, 2019
Notional Amount	$ 125
Fixed LIBOR Rate	1.975%
Interest Rate Swap Agreement Eight [Member]
Expiration Date	Jul. 01, 2021
Contract Date	Jun. 30, 2017
Effective Date	Jul. 01, 2020
Notional Amount	$ 125
Fixed LIBOR Rate	2.217%
Interest Rate Swap Agreement Nine [Member]
Expiration Date	Jul. 01, 2022
Contract Date	Jun. 30, 2017
Effective Date	Jul. 01, 2021
Notional Amount	$ 125
Fixed LIBOR Rate	2.436%
Interest Rate Swap Agreement Ten [Member]
Expiration Date	May 31, 2023
Contract Date	Jun. 30, 2017
Effective Date	Jul. 01, 2022
Notional Amount	$ 125
Fixed LIBOR Rate	2.591%

X

- Definition

Date the derivative contract become effective, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	gnrc_DerivativeEffectiveDate
Namespace Prefix:	gnrc_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeFixedInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Date the entity entered into the derivative contract, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeInceptionDates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Date the derivative contract matures, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeMaturityDates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementSevenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementEightMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementNineMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=gnrc_InterestRateSwapAgreementTenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: