Unaudited Pro Forma Information (Detail) (Postle and CRV/DRV, USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Postle and CRV/DRV
Business Acquisition, Pro Forma Information [Line Items]
Net sales	$ 1,223,333	$ 1,124,114	$ 3,137,484	$ 2,676,873
Net income	$ 64,834	$ 58,925	$ 140,174	$ 116,108
Basic earnings per common share	$ 1.21	$ 1.11	$ 2.63	$ 2.18
Diluted earnings per common share	$ 1.21	$ 1.10	$ 2.62	$ 2.18

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The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

+ Details

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

+ Details

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

+ Details

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