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Income Taxes (Reconciliation Of The Beginning And Ending Amount Of Gross Unrecognized Tax Benefits) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Income Taxes [Abstract]
Beginning balance	$ 3,703	$ 3,940	$ 4,225
Additions based on tax positions related to the current year	297	6	46
Additions for tax positions in prior years	327	384	173
Reductions for tax positions of prior years resulting from the lapse of applicable statute of limitations			(425)
Other reductions for tax positions of prior years	(115)	(627)	(79)
Ending balance	$ 4,212	$ 3,703	$ 3,940

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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-Publisher FASB

-Name Accounting Standards Codification

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The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns.

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The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns.

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The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

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