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Subsequent Events (Details) - Subsequent Event [Member] - USD ($)
$ / shares in Units, $ in Millions
Mar. 09, 2018
Feb. 23, 2018
Feb. 08, 2018
Feb. 06, 2018
Subsequent Event [Line Items]        
Dividends Payable, Date Declared     Feb. 08, 2018  
Quarterly dividend, value per share     $ 0.16  
Quarterly dividend, date to be paid Mar. 09, 2018      
Quarterly dividend, date of record   Feb. 23, 2018    
Quarterly dividend, amount declared $ 22.2      
Proceeds from Divestiture of Businesses       $ 29.0