Schedule II - Valuation and Qualifying Accounts (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Aug. 31, 2012
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Aug. 31, 2011
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Aug. 31, 2010
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Allowance for Doubtful Accounts [Member]
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Valuation and Qualifying Accounts Disclosure [Line Items] | |||
Balance at beginning of period | $ 6,148 | $ 6,209 | $ 7,509 |
Charges to cost and expenses | 688 | 334 | (255) |
Deductions | (2,377) | (395) | (1,045) |
Balance at end of period | 4,459 | 6,148 | 6,209 |
Valuation Allowance of Deferred Tax Assets [Member]
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Valuation and Qualifying Accounts Disclosure [Line Items] | |||
Balance at beginning of period | 589 | 855 | 455 |
Charges to cost and expenses | 218 | 189 | 400 |
Deductions | (13) | (455) | 0 |
Balance at end of period | $ 794 | $ 589 | $ 855 |