Reserves for Discounts and Allowances (Details 1) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Summary of total product revenue reserves included in consolidated balance sheets
Total reserves	$ 664.6	$ 605.5
Reduction of accounts receivable
Summary of total product revenue reserves included in consolidated balance sheets
Total reserves	197.4	166.9
Component of accrued expenses and other
Summary of total product revenue reserves included in consolidated balance sheets
Total reserves	$ 467.2	$ 438.6