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Schedule II - Valuation and Qualifying Accounts (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Summary of Allowance for Deferred Income Tax Valuation Allowance [Table Text Block]
 
 
Balance at
Beginning of
Period
 
 
Increase
 
 
Decrease
 
 
Balance at
End of Period
 
Deferred income tax valuation allowance:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Year Ended December 31, 2015
  $ 44,700     $     $ (19,107 )   $ 25,593  
Year Ended December 28, 2014
    34,484       10,216             44,700  
Year Ended December 29, 2013
    41,135             (6,651 )     34,484