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Stock Repurchase Plan | 6 Months Ended
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Jan. 31, 2016
Payments for Repurchase of Equity [Abstract] |
Stock Repurchase Plan | Repurchase Program On March 9, 2006, the Company’s Board of Directors approved the repurchase of up to 3,000,000 shares of common stock, on July 16, 2008 approved an increase of the Company’s common stock repurchase authorization by an additional 3,000,000 shares, and on December 4, 2015, the Company’s Board of Directors approved an increase in the number of shares authorized to be repurchased under the share repurchase program by an additional 1,500,000 shares. The Company repurchased zero shares of common stock during both the three months ended January 31, 2016 and 2015. During the six months ended January 31, 2016 and 2015, the Company repurchased 377,830 shares (at a total cost of $40.0 million) and zero shares of common stock, respectively. Since inception of its share repurchase program through January 31, 2016, the Company has repurchased 5,326,941 shares at a cost of approximately $233.2 million. As of January 31, 2016, 2,173,059 shares remained available to repurchase under the existing share repurchase program which has no expiration date. Shares of common stock purchased pursuant to the repurchase program will be held as treasury shares and may be used for the issuance of shares under the Company’s employee share award plan.

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- Definition Tabular disclosure of treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
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