Annual report pursuant to Section 13 and 15(d)

Description of the Business (Details)

v3.3.0.814
Description of the Business (Details)
$ in Millions
12 Months Ended
Sep. 30, 2015
USD ($)
segment
Sep. 30, 2014
USD ($)
Sep. 30, 2013
USD ($)
Number of reportable segments | segment 2    
Correction of Errors      
Reduction in operating expenses $ (330.6) $ (383.1) $ (336.5)
Increase in cost of goods sold $ 1,026.4 1,078.0 1,034.7
Recorded Adjustment      
Correction of Errors      
Reduction in operating expenses   2.0 8.5
Increase in cost of goods sold     $ 8.5
Adjustment to correct a prior period error   $ 2.0