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Note 11 Unrecognized Stock Based Compensation Expense (Details)
$ in Millions
6 Months Ended
Apr. 02, 2016
USD ($)
Employee stock options  
Unrecognized Compensation Cost and Weighted Average Period [Line Items]  
Unrecognized compensation expense $ 4.6
Weighted average period of recognition (years) 1 year 9 months 18 days
Restricted stock units  
Unrecognized Compensation Cost and Weighted Average Period [Line Items]  
Unrecognized compensation expense $ 24.7
Weighted average period of recognition (years) 1 year 4 months 2 days
Performance Shares  
Unrecognized Compensation Cost and Weighted Average Period [Line Items]  
Unrecognized compensation expense $ 28.8