XML 70 R60.htm IDEA: XBRL DOCUMENT
v2.4.0.8

DEFINED BENEFIT PENSION EXPENSE (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract] |
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements | $ (2,142)
Defined Benefit Plan Reduction In Pension Liability Due To Buyouts | 3,472
Defined Benefit Plan Increase In Accumulated Other Comprehensive Income Loss Due To Buyouts | $ 3,649

X
- Definition Defined benefit plan increase in accumulated other comprehensive income loss due to buyouts. + References No definition available. + Details
Name: | gff_DefinedBenefitPlanIncreaseInAccumulatedOtherComprehensiveIncomeLossDueToBuyouts
Namespace Prefix: | gff_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Defined benefit plan reduction in pension liability due to buyouts. + References No definition available. + Details
Name: | gff_DefinedBenefitPlanReductionInPensionLiabilityDueToBuyouts
Namespace Prefix: | gff_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of net gain (loss) recognized in net periodic benefit cost as a result of an irrevocable action that relieves the employer (or the plan) of primary responsibility for a benefit obligation and eliminates significant risks related to the obligation and the assets used to effect the settlement. Examples of transactions that constitute a settlement include, but are not limited to, lump-sum cash payments to plan participants in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contracts to cover vested benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 15 -Paragraph 6 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration