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
Dec. 30, 2017
Jul. 01, 2017
Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Diluted earnings per share (in dollars per share) $ (1.37)   $ (0.08)
Accounting Standards Update 2016-09      
New Accounting Pronouncements or Change in Accounting Principle [Line Items]      
Diluted earnings per share (in dollars per share)   $ (0.01)