Name:	grif_EstimatedPretaxGainFromSaleOfRealEstatePropertyToBeRecognizedAfterIncurringTotalCostsAndRecognitionOfTotalRevenue
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The increase (decrease) during the reporting period in obligations or expenses incurred but not yet paid related to additions of real estate.

No definition available.

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Represents the percentage of total cost incurred, related to the sale of real estate property.

No definition available.

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Represents the pretax gain on sale of real estate property recognized based on the percentage of total costs incurred related to sale.

No definition available.

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Represents the percentage of revenue and pretax gain from sale of real estate property recognized based on the percentage of total costs incurred related to sale.

No definition available.

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Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations.

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-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (SX 210.9-03.15(1),(5))

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-Subparagraph (SX 210.7-03.15)

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-Name Regulation S-X (SX)

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-Section 03

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-Article 7

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-Name Regulation S-X (SX)

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Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.15(5))

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-Subparagraph (SX 210.7-03.15(a))

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph a

-Article 7

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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This item represents the pretax change in net unrealized holding gain (loss) on available-for-sale securities that has been included in accumulated other comprehensive income, a separate component of shareholders' equity, during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Carrying value as of the balance sheet date of obligations incurred and payable for the acquisition of merchandise, materials, supplies and services pertaining to construction projects such as a housing development or factory expansion not classified as trade payables.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

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-Subparagraph (SX 210.9-03.15(5))

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-Name Accounting Standards Codification

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.15(a))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph a

-Article 7

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-Name Regulation S-X (SX)

-Number 210

-Section 03

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-Article 9

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Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 13

-Section A

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-Name Accounting Standards Codification

-Topic 605

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-Subparagraph (SAB TOPIC 13.A.4(a).Q1 Response)

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

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-Subparagraph (SX 210.9-03.15(5))

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-Name Accounting Standards Codification

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-Section S99

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-Subparagraph (SX 210.7-03.15(a))

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph a

-Article 7

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-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

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-Article 9

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The amount of cash paid for interest during the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

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The amount of cash paid during the current period for interest that is capitalized.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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-Name Regulation S-X (SX)

-Number 210

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-Subparagraph a

-Article 7

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Revenue from the sale of land in the reporting period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

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Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 15

-Subparagraph a

-Article 7

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

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The amount of cash received during the period as refunds for the overpayment of taxes.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

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Name:	us-gaap_ProceedsFromIncomeTaxRefunds
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Number of shares that have been repurchased and retired during the period.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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