Annual report pursuant to Section 13 and 15(d)

Segment Information - Narrative (Details)

v3.10.0.1
Segment Information - Narrative (Details) - segment
12 Months Ended
Oct. 01, 2015
Sep. 30, 2018
Sep. 30, 2016
Segment Reporting [Abstract]      
Number of operating segments 2 2 2