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Note 11 Unrecognized Stock Based Compensation Expense (Details)
$ in Millions
3 Months Ended
Jan. 02, 2016
USD ($)
Employee stock options  
Unrecognized Compensation Cost and Weighted Average Period [Line Items]  
Unrecognized compensation expense $ 5.9
Weighted average period of recognition (years) 1 year 9 months 15 days
Restricted stock units  
Unrecognized Compensation Cost and Weighted Average Period [Line Items]  
Unrecognized compensation expense $ 17.2
Weighted average period of recognition (years) 1 year 3 months 25 days
Performance Shares  
Unrecognized Compensation Cost and Weighted Average Period [Line Items]  
Unrecognized compensation expense $ 37.8