Other Current Liabilities (Details) (USD $) In Thousands, unless otherwise specified	May 31, 2013	Aug. 31, 2012	May 31, 2012
Other Current Liabilities [Abstract]
Compensation and benefits	$ 15,830	$ 14,438	$ 12,560
Deferred revenue	8,897	3,714	4,572
Income tax liability	7,785	5,397	6,314
Warranty	6,482	4,848	4,133
Other	26,265	16,384	17,923
Total other current liabilities	$ 65,259	$ 44,781	$ 45,502

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations.

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The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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- Definition

Aggregate carrying amount of current liabilities (due within one year or within the normal operating cycle if longer) not separately disclosed in the balance sheet. Includes costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and of liabilities not separately disclosed.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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