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Radyne Acquisition-Related Restructuring Plan - Summary of Radyne Acquisition Related Restructuring Plan (Details) - USD ($) | Apr. 30, 2016 | Jul. 31, 2015 | Aug. 01, 2008 | Jul. 31, 2008
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Radyne Acquisition Related Restructuring Plan [Abstract] |  |  |  |
Business acquisition restructuring 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 exit costs |  |  | 4,141,000 |
Less: Interest expense to be accreted |  |  | 2,041,000 |
Present value of estimated facility exit costs | $ 3,650,000 | $ 4,235,000 | $ 2,100,000 | $ 2,100,000

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- 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 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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- Definition Radyne Acquisition-Related Restructuring Plan [Abstract] + 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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