Revenue Recognition and Accounts Receivable (Narrative) (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Revenue Recognition And Accounts Receivable [Line Items]
Sales allowances, current	$ 1,790.0	$ 1,840.0
Accrued sales allowances and other adjustments	726.5	681.8
Securitized accounts receivable	895.4	$ 914.2
Receivables Facility
Revenue Recognition And Accounts Receivable [Line Items]
Accounts receivable securitization facility maximum borrowing capacity	$ 400.0