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Acquisition Pro Forma Information (Details) - TeleCommunication Systems, Inc. - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Apr. 30, 2016 | Apr. 30, 2015 | Apr. 30, 2016 | Apr. 30, 2015
Business Acquisition [Line Items] |  |  |  |
Net sales | $ 130,238,000 | $ 153,500,000 | $ 453,475,000 | $ 499,934,000
Net (loss) income | $ (21,395,000) | $ 1,739,000 | $ (27,694,000) | $ (16,065,000)
Basic net income per share (in dollars per share) | $ (1.32) | $ 0.11 | $ (1.71) | $ (0.99)
Diluted net income per share (in dollars per share) | $ (1.32) | $ 0.11 | $ (1.71) | $ (0.99)
Pro Forma [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Elimination of sales | $ 1,569,000 | $ 0 | $ 7,331,000 | $ 285,000
Reduction to capitalized software amortization | 937,000 | 890,000 | 3,062,000 | 2,539,000
(Elimination) addition of acquisition plan expenses | (22,464,000) | 0 | (25,507,000) | 35,660,000
Incremental amortization expense associated with the increase in acquired other intangible assets | 1,581,000 | 3,891,000 | 7,935,000 | 11,628,000
(Reduction) increase in interest expense | (1,836,000) | 2,165,000 | 1,731,000 | 6,221,000
Reduction to interest income | $ 124,000 | $ 158,000 | $ 585,000 | $ 509,000

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