EQUITY METHOD INVESTMENTS (Details) (USD $) In Millions, unless otherwise specified	Jun. 24, 2009	Jun. 20, 2008
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Initial Ownership Percentage (in hundredths)		10.00%
Equity Method Investment, Initial Cost		$ 20.2
Equity Method Investment, Ownership Percentage (in hundredths)	25.00%
Equity Method Investment, Additional Investment Cost	$ 15.2
Contingent additional cash payment percentage of net income over threshold (in hundredths)	60.00%

Percentage of the amount of GRI's fiscal year 2011 net income that exceeds a certain threshold that GRI's selling shareholders are entitled to receive.

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- Definition

This element represents the cost of the additional investment in investee accounted for under the equity method of accounting.

+ Details

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- Definition

This element represents the cost of the initial investment in investee accounted for under the equity method of accounting.

+ Details

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- Definition

The initial percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 159
-Paragraph 18
-Subparagraph f

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 18
-Paragraph 20
-Subparagraph a (1)

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ Details

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