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Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Feb. 25, 2017
Jan. 13, 2017
Sep. 30, 2015
Subsequent Events [Line Items]      
Common stock, dividends declared (in dollars per share)     $ 0.195
Subsequent event      
Subsequent Events [Line Items]      
Payments to acquire commercial real estate   $ 25.3  
Common stock, dividends declared (in dollars per share) $ 0.215