Summarized Financial Data for Castings Joint Venture (Detail) (Ohio Castings Llc, USD $) In Thousands, unless otherwise specified	12 Months Ended
Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Ohio Castings Llc
Current assets	$ 16,758	$ 7,887
Total assets	26,323	18,532
Current liabilities	7,625	5,104
Equity	18,698	12,934
Revenue	82,698	5,813
Net income (loss)	$ 5,823	$ (5,648)	$ (2,897)

The amount of assets reported by an equity method investment of the entity.

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+ Details

- Definition

The amount of current assets reported by an equity method investment of the entity.

+ References

+ Details

- Definition

The amount of current liabilities reported by an equity method investment of the entity.

+ References

+ Details

- Definition

Amount of equity, including noncontrolling interest, reported by an equity method investment of the entity.

+ References+ Details

- Definition

The amount of gross profit (loss) reported by an equity method investment of the entity.

+ References

+ Details