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Stock-Based Compensation (Tables)
 9 Months Ended
Oct. 01, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Nonvested Share Activity [Table Text Block]
A summary of all non-vested shares activity for the nine months ended October 1, 2017 was as follows:
 
Shares
 
Weighted Average Grant Date Price
Non-vested at January 1, 2017
577,221

 
$
10.42

Granted
366,580

 
15.05

Vested
(174,493
)
 
9.93

Forfeited
(43,669
)
 
12.84

Non-vested at October 1, 2017
725,639

 
$
12.73