XML 37 R61.htm IDEA: XBRL DOCUMENT v2.4.1.9
Operating Leases (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Dec. 01, 2012
Leasing of industrial, flex and office space and the lease of the farm in Florida      
Operating leases of lessor, future minimum rentals to be received      
2014 $ 19,971us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableCurrent
/ us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis
= grif_IndustrialFlexAndOfficeSpaceLeaseAndFloridaFarmLeaseMember
   
2015 17,771us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears
/ us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis
= grif_IndustrialFlexAndOfficeSpaceLeaseAndFloridaFarmLeaseMember
   
2016 17,272us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears
/ us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis
= grif_IndustrialFlexAndOfficeSpaceLeaseAndFloridaFarmLeaseMember
   
2017 14,546us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFourYears
/ us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis
= grif_IndustrialFlexAndOfficeSpaceLeaseAndFloridaFarmLeaseMember
   
2018 12,519us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears
/ us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis
= grif_IndustrialFlexAndOfficeSpaceLeaseAndFloridaFarmLeaseMember
   
Later years 28,022us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableThereafter
/ us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis
= grif_IndustrialFlexAndOfficeSpaceLeaseAndFloridaFarmLeaseMember
   
Total 110,101us-gaap_OperatingLeasesFutureMinimumPaymentsReceivable
/ us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis
= grif_IndustrialFlexAndOfficeSpaceLeaseAndFloridaFarmLeaseMember
   
Corporate headquarters      
Operating leases of lessee, future minimum rental payments      
2014 179us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
/ us-gaap_LeaseArrangementTypeAxis
= grif_CorporateHeadquartersMember
   
2015 149us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
/ us-gaap_LeaseArrangementTypeAxis
= grif_CorporateHeadquartersMember
   
Total minimum lease payments 328us-gaap_OperatingLeasesFutureMinimumPaymentsDue
/ us-gaap_LeaseArrangementTypeAxis
= grif_CorporateHeadquartersMember
   
Rental expense $ 210us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_LeaseArrangementTypeAxis
= grif_CorporateHeadquartersMember
$ 242us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_LeaseArrangementTypeAxis
= grif_CorporateHeadquartersMember
$ 247us-gaap_OperatingLeasesRentExpenseNet
/ us-gaap_LeaseArrangementTypeAxis
= grif_CorporateHeadquartersMember