Annual report pursuant to Section 13 and 15(d)

Acquisition (Details)

v3.8.0.1
Acquisition (Details) - USD ($)
$ in Thousands
 12 Months Ended
Apr. 18, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Business Acquisition [Line Items]        
Purchase price   $ 107,736 $ 0 $ 0
Acquired Assets:        
Goodwill   2,286,582 $ 2,205,107  
Automatic        
Business Acquisition [Line Items]        
Purchase price $ 107,736      
Cash acquired 819      
Acquired Assets:        
Intangible assets subject to amortization 14,700      
Goodwill 81,475      
Deferred income tax asset, net 14,760      
Other assets 4,019      
Total Assets 115,754      
Assumed Liabilities:        
Deferred revenue (5,582)      
Other liabilities (1,617)      
Total Liabilities (7,199)      
Total Consideration 108,555      
Acquisition related costs   $ 922    
Automatic | Trademarks        
Acquired Assets:        
Trademark $ 800