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Income Taxes (Schedule Of Unrecognized Tax Benefits Roll Forward) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Aug. 31, 2013	Aug. 31, 2012
Income Taxes [Abstract]
Unrecognized tax benefits - beginning of fiscal year	$ 1,023	$ 1,374
Gross increases - tax positions in prior periods		7
Gross decreases - tax positions in prior periods		(67)
Gross increases - current period tax positions	169	422
Expirations of statute of limitations for assessment	(173)	(406)
Settlements	(39)	(307)
Unrecognized tax benefits - end of fiscal year	$ 980	$ 1,023

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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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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 decreases in unrecognized tax benefits resulting from settlements with taxing authorities.

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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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