Quarterly report pursuant to Section 13 or 15(d)

Industry Segments and Financial Information About Foreign and Domestic Operations (Narrative) (Details)

v3.8.0.1
Industry Segments and Financial Information About Foreign and Domestic Operations (Narrative) (Details)
6 Months Ended
Mar. 31, 2018
segment
Industry Segments and Financial Information About Foreign and Domestic Operations [Abstract]  
Number of Reportable Segments 2