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Cost Reduction Actions (Summary of Radyne Acquisition Related Restructuring Plan) (Details) (USD $) | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Oct. 31, 2008 | Apr. 30, 2012 | Jul. 31, 2011 | Jul. 31, 2008
Cost Reduction Actions [Abstract] |  |  |  |
Business acquisition restructuring costs, total estimated costs | $ 2,713,000 |  |  |
Business acquisition restructuring costs related to severance for employees | 613,000 |  |  |
Total non-cancelable lease obligations | 12,741,000 |  |  |
Less: Estimated sublease income | (8,600,000) |  |  |
Total net estimated facility-related exit costs | 4,141,000 | 4,286,000 |  |
Less: Interest expense to be accreted | (2,041,000) |  |  |
Present value of estimated facility-related exit costs | $ 2,100,000 | $ 2,815,000 | $ 2,518,000 | $ 2,100,000
Radyne lease expiration date | Oct. 31, 2018 |  |  |
Radyne sublease expiration date | Oct. 31, 2015 |  |  |

X
- Definition Amount accrued to cover estimated present value of facility exit costs related to noncancellable lease obligations assumed in a business combination, net of the present value of estimated sublease income. + References No definition available. + Details
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- Definition The total gross estimated sublease income associated with non-cancelable lease obligations assumed in a business combination and which relate to facility exit costs. + References No definition available. + Details
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- Definition Amount accrued to cover estimated severance costs related to a business combination. + References No definition available. + Details
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- Definition The total gross amount due under non-cancelable lease obligations assumed in a business combination and which relate to facility exit costs. + References No definition available. + Details
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- Details
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- Definition Expiration date of the acquired Radyne non-cancelable leases. + References No definition available. + Details
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- Definition Expiration date of the acquired Radyne sublease. + References No definition available. + Details
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- Definition The total amount of interest expense to be accreted on facility-related exit costs. + References No definition available. + Details
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- Definition Total net amount expected to be incurred for specified restructuring cost. + References No definition available. + Details
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- Definition Amount of the acquisition costs expected to be expended for restructuring activities for the acquired entity. Exit activities of the acquired entity may include involuntary termination benefits to be paid to acquired entity employees, and relocation costs for employees of acquired entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 95-3 -Paragraph 1 -Subparagraph b -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
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