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Subsequent Events (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Sep. 30, 2016
Jun. 30, 2016
Jun. 30, 2015
Subsequent Event [Line Items]      
Sales of consolidated and unconsolidated subsidiaries, net of cash sold   $ 2,248.5 $ 24.0
Sale of Tranzact [Member]      
Subsequent Event [Line Items]      
Sales of consolidated and unconsolidated subsidiaries, net of cash sold $ 221.3