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Fair Value Measurements (Tables)
12 Months Ended
Sep. 24, 2017
Fair Value Measurements [Abstract]  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
The following assumptions were used to estimate the fair value of the Warrants:
 
2017

 
2016

 
2015

 
 
 
 
 
 
Volatility (Percent)
37

 
63

 
61

Risk-free interest rate (Percent)
1.81

 
1.25

 
1.75

Expected term (Years)
4.5

 
5.5

 
6.5

Estimated fair value (Dollars)
0.26

 
1.96

 
0.71