Quarterly report pursuant to Section 13 or 15(d)

New Accounting Standards (Narrative) (Details)

v3.8.0.1
New Accounting Standards (Narrative) (Details) - $ / shares
3 Months Ended 6 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Mar. 31, 2018
Apr. 01, 2017
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]        
Diluted earnings per share (in dollars per share) $ 0.48 $ 0.58 $ (0.87) $ 0.50