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Schedule of Deferred Income Taxes (Detail) (USD $) In Thousands, unless otherwise specified | Jul. 31, 2014 | Jul. 31, 2013
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Schedule of Deferred Income Tax Assets and Liabilities [Line Items] |  |
Inventory basis | $ (183) | $ (314)
Employee benefits | 2,543 | 2,215
Self-insurance reserves | 10,139 | 8,333
Accrued product warranties | 33,629 | 30,802
Accrued incentives | 3,553 | 2,672
Sales returns and allowances | 1,419 | 1,381
Accrued expenses | 1,523 | 2,145
Unrecognized tax benefits | 614 | 984
Other | (1,840) | (1,700)
Total net current deferred tax asset | 51,397 | 46,518
Property basis | (983) | (2,007)
Investments |  | (121)
Deferred compensation | 4,811 | 3,349
Tax credit carry forward | 790 | 547
Intangibles | (31,681) | (33,464)
Unrecognized tax benefits | 7,675 | 13,136
Total net long-term deferred tax asset (liability) | (19,388) | (18,560)
Net deferred tax asset | $ 32,009 | $ 27,958

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from estimated losses under self insurance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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