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Inventories (Tables)

6 Months Ended

Jan. 31, 2012

Inventories [Abstract]

Schedule Of Major Classifications Of Inventories

		January 31, 2012				July 31, 2011
Raw materials		$	101,458			$	104,360
Chassis			42,576				46,548
Work in process			56,591				48,575
Finished goods			21,764				14,179
Total			222,389				213,662
Excess of FIFO costs over LIFO costs			(30,164)				(29,164)
Total inventories		$	192,225			$	184,498

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Topic

-SubTopic

-Publisher SEC

-Number 210

-Article 5

-Subparagraph a,b,c

-Name Regulation S-X (SX)

-Paragraph 6

-Section 2

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