Annual report pursuant to Section 13 and 15(d)

Business and summary of significant accounting policies - Fair Value Measurements (Details)

v3.5.0.2
Business and summary of significant accounting policies - Fair Value Measurements (Details)
12 Months Ended
Sep. 30, 2016
acquisition
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Number of businesses acquired with contingent payments 2