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Condensed Consolidated Statement Of Shareholders' Equity (Parenthetical)
$ in Millions
6 Months Ended
Jun. 30, 2018
USD ($)
$ / shares
Regular Cash Dividend  
Dividends declared per common share (usd per share) | $ / shares $ 0.50
Additional Paid-In Capital  
Dividends, Share-based Compensation, Paid-in-kind | $ $ 0.6