Additional impairment charge.

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Balance Type:	debit
Period Type:	duration

- Definition

Assets held for sale cost of sell.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Assets held for sale fair value before cost of sell.

+ Details

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Namespace Prefix:	am
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair Value Measurements.

+ Details

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- Definition

Increase decrease in fair value of asset due to re-assessment.

+ Details

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Namespace Prefix:	am
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Selling period of assets valued based on observable selling prices.

+ Details

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- Definition

Long-lived assets that are held for sale apart from normal operations and anticipated to be sold in less than one year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 157
-Paragraph 33
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ 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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Fair Value Measurements (Details Textuals) (USD $)	6 Months Ended	12 Months Ended
Fair Value Measurements (Details Textuals) (USD $)	Aug. 26, 2011	Feb. 28, 2010 Party Goods Product Line [Member]	Feb. 28, 2010 Party Goods Product Line [Member] Nonrecurring [Member]	Aug. 26, 2011 Nonrecurring [Member]	Feb. 28, 2011 Nonrecurring [Member]	Aug. 27, 2010 Nonrecurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets held for sale fair value before cost of sell			$ 5,900,000
Assets held for sale cost of sell			300,000
Assets held for sale			5,600,000	5,282,000	5,282,000	5,557,000
Additional impairment charge		300,000
Fair Value Measurements (Textuals) [Abstract]
Fair value of asset due to re-assessment of current period	$ 0
Selling period of assets valued based on observable selling prices	past twelve to eighteen months