Acquisition - Pro Forma Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Business Acquisition [Line Items]
Amortization of intangibles	$ 5,468,000	$ 4,776,000	$ 17,555,000	$ 7,348,000
Pro Forma [Member] | Consolidation, Eliminations | TeleCommunication Systems Inc.
Business Acquisition [Line Items]
Elimination of sales		1,569,000		7,331,000
Reduction to capitalized software amortization		937,000		3,062,000
Elimination of acquisition plan expenses		22,464,000		25,507,000
Amortization of intangibles		1,581,000		7,935,000
(Reduction to) increase in Interest expense		(1,836,000)		1,731,000
Reduction to interest income		$ 124,000		$ 585,000