3% and 2% Convertible Senior Notes	12 Months Ended
Jul. 31, 2011
3% and 2% Convertible Senior Notes [Abstract]
3% and 2% Convertible Senior Notes	(9) 3.0% and 2% Convertible Senior Notes In May 2009, we issued $200,000,000 of our 3.0% convertible senior notes in a private offering pursuant to Rule 144A under the Securities Act of 1933, as amended. The net proceeds from this transaction were $194,541,000 after deducting the initial purchasers' discount and other transaction costs of $5,459,000. The 3.0% convertible senior notes bear interest at an annual rate of 3.0% and, effective July 21, 2011 (the record date of our dividend declared on June 7, 2011), are convertible into shares of our common stock at a conversion price of $35.18 per share (a conversion rate of 28.4270 shares per $1,000 original principal amount of notes) at any time prior to the close of business on the second scheduled trading day immediately preceding the maturity date, subject to adjustment in certain circumstances. Pursuant to the terms of the 3.0% convertible senior notes indenture, cash dividends require an adjustment to the conversion rate, effective on the record date. We may, at our option, redeem some or all of the 3.0% convertible senior notes on or after May 5, 2014. Holders of the 3.0% convertible senior notes will have the right to require us to repurchase some or all of the outstanding 3.0% convertible senior notes, solely for cash, on May 1, 2014, May 1, 2019 and May 1, 2024 and upon certain events, including a change in control. If not redeemed by us or repaid pursuant to the holders' right to require repurchase, the 3.0% convertible senior notes mature on May 1, 2029. The 3.0% convertible note are senior unsecured obligations of Comtech. In February 2009, $105,000,000 of our 2.0% convertible senior notes, originally issued in January 2004, were converted into 3,333,327 shares of our common stock, plus cash in lieu of fractional shares. Interest expense, included in our Consolidated Statements of Operations for fiscal 2009, reflects our imputed borrowing rate of 7.5%.

(9) 3.0% and 2% Convertible Senior Notes

In May 2009, we issued $200,000,000 of our 3.0% convertible senior notes in a private offering pursuant to Rule 144A under the Securities Act of 1933, as amended. The net proceeds from this transaction were $194,541,000 after deducting the initial purchasers' discount and other transaction costs of $5,459,000. The 3.0% convertible senior notes bear interest at an annual rate of 3.0% and, effective July 21, 2011 (the record date of our dividend declared on June 7, 2011), are convertible into shares of our common stock at a conversion price of $35.18 per share (a conversion rate of 28.4270 shares per $1,000 original principal amount of notes) at any time prior to the close of business on the second scheduled trading day immediately preceding the maturity date, subject to adjustment in certain circumstances. Pursuant to the terms of the 3.0% convertible senior notes indenture, cash dividends require an adjustment to the conversion rate, effective on the record date. We may, at our option, redeem some or all of the 3.0% convertible senior notes on or after May 5, 2014. Holders of the 3.0% convertible senior notes will have the right to require us to repurchase some or all of the outstanding 3.0% convertible senior notes, solely for cash, on May 1, 2014, May 1, 2019 and May 1, 2024 and upon certain events, including a change in control. If not redeemed by us or repaid pursuant to the holders' right to require repurchase, the 3.0% convertible senior notes mature on May 1, 2029. The 3.0% convertible note are senior unsecured obligations of Comtech.

In February 2009, $105,000,000 of our 2.0% convertible senior notes, originally issued in January 2004, were converted into 3,333,327 shares of our common stock, plus cash in lieu of fractional shares. Interest expense, included in our Consolidated Statements of Operations for fiscal 2009, reflects our imputed borrowing rate of 7.5%.