Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation Earnings Per Common Share (Details)

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Basis of Presentation Earnings Per Common Share (Details) - shares
3 Months Ended 6 Months Ended
Mar. 26, 2017
Mar. 27, 2016
Mar. 26, 2017
Mar. 27, 2016
Basis of Presentation [Abstract]        
Dilutive common share equivalents 11,284,000 10,734,000 14,156,000 12,582,000
Common share equivalents excluded from computation of diluted EPS 10,823,000 6,899,000 5,443,000 4,036,000