Quarterly report pursuant to Section 13 or 15(d)

Business Combinations - Narrative (Details)

v3.8.0.1
Business Combinations - Narrative (Details) - USD ($)
$ in Thousands
9 Months Ended
Jul. 27, 2017
Jul. 27, 2016
Sep. 30, 2017
Wireless Maritime Services      
Business Acquisition [Line Items]      
Ownership percentage   49.00%  
Emerging Markets Communications LLC      
Business Acquisition [Line Items]      
Consideration transferred   $ 165,039  
Cash consideration paid   100,454  
Common stock issued for acquisition (in shares) 5,080,049    
Deferred compensation to be paid   25,000  
Settlement of pre-existing relationship   228  
Goodwill, tax deductible amount   $ 74,900  
Business Combination, Acquisition Related Costs     $ 800