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Acquisitions (Details) - USD ($)
$ in Millions
Dec. 13, 2016
Jul. 01, 2016
Mar. 31, 2017
AFSC      
Acquisitions      
Base purchase price   $ 117.5  
Amount of consideration paid in cash   113.5  
Maximum potential contingent payments   10.0 $ 10.0
Working capital receivable     3.2
AFSC | Restricted Common Stock      
Acquisitions      
Restricted common stock issued   $ 4.0  
Restricted common stock issued, vesting period   2 years  
Veridicus      
Acquisitions      
Base purchase price $ 74.5    
Decrease in Goodwill due to measurement period adjustment     0.8
Working capital receivable     $ 0.2