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Inventories (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Aug. 31, 2013
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Aug. 31, 2011
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Aug. 31, 2012
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| Inventory Disclosure [Abstract] | |||
| LIFO inventory reserves | $ 185.5 | $ 261.8 | |
| Percentage of total inventories valued at LIFO | 43.00% | 55.00% | |
| Raw materials | 66.7 | 68.0 | |
| Effect of LIFO Inventory Liquidation on Income | $ 3.5 | $ 0 | |
| X | ||||||||||
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- Definition
The effect of liquidating LIFO (last in first out) inventory layers on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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- Definition
Amount of difference between inventory at lower of LIFO cost or market and inventory at lower of other inventory accounting method cost or market, for example, but not limited to, FIFO or average cost. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent. No definition available.
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