Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph l

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 43

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 72

-Subparagraph d

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e

-Clause 1

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 34

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

+ References+ Details

Changes in Carrying Amount of Goodwill by Reportable Segment (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended		12 Months Ended					12 Months Ended				12 Months Ended		12 Months Ended
	Jul. 31, 2013	Jul. 31, 2011	Jul. 31, 2012 Heartland	Jul. 31, 2013 Bus	Jul. 31, 2013 Towables	Jul. 31, 2012 Towables	Jul. 31, 2011 Towables	Jul. 31, 2012 Towables Heartland	Jul. 31, 2013 Motorized	Jul. 31, 2012 Motorized	Jul. 31, 2011 Motorized	Jul. 31, 2013 Buses	Jul. 31, 2011 Buses	Jul. 31, 2013 Buses Bus
Goodwill [Line Items]
Goodwill	$ 262,461	$ 261,704			$ 238,103	$ 238,103	$ 237,346		$ 17,252	$ 17,252	$ 17,252	$ 7,106	$ 7,106
Accumulated impairment charges	(17,252)	(17,252)							(17,252)	(17,252)	(17,252)
Goodwill, Beginning Balance	245,209	244,452			238,103	238,103	237,346					7,106	7,106
Goodwill acquired			757	5,263				757						5,263
Impairment charges - discontinued operations	(6,810)											(6,810)
Discontinued operations reclassification	(5,559)											(5,559)
Goodwill	267,724	261,704			238,103	238,103	237,346		17,252	17,252	17,252	12,369	7,106
Accumulated impairment charges	(24,062)	(17,252)							(17,252)	(17,252)	(17,252)	(6,810)
Discontinued operations reclassification	(5,559)											(5,559)
Goodwill, Ending Balance	$ 238,103	$ 244,452			$ 238,103	$ 238,103	$ 237,346						$ 7,106