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Restatement of Previously Issued Financial Statements - Reconciliation of Sales and Cost of Sales (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Nov. 30, 2012
|
Nov. 30, 2011
|
|
| Sales | $ 118,022 | $ 108,168 |
| Cost of sales | 104,764 | 96,360 |
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Industrial Ingredients [Member]
|
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| Sales | 90,368 | 82,244 |
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As Previously Reported [Member]
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| Sales | 94,859 | 90,746 |
| Cost of sales | 81,601 | 78,938 |
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As Previously Reported [Member] | Industrial Ingredients [Member]
|
||
| Sales | 67,205 | 64,822 |
|
Adjustment [Member]
|
||
| Sales | 23,163 | 17,422 |
| Cost of sales | 23,163 | 17,422 |
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Adjustment [Member] | Industrial Ingredients [Member]
|
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| Sales | $ 23,163 | $ 17,422 |