Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Treasury Stock (Details)

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Stockholders' Equity and Share-Based Compensation - Treasury Stock (Details) - USD ($)
$ / shares in Units, shares in Thousands
 12 Months Ended 14 Months Ended
Dec. 30, 2017
Dec. 30, 2017
May 31, 2017
Nov. 30, 2016
Class of Stock [Line Items]        
Shares repurchased (in shares)   2,525    
Average price (in USD per share)   $ 2.83    
Aggregate purchase price   $ 7,146,000    
Common Stock        
Class of Stock [Line Items]        
Shares repurchased (in shares) 2,080      
Common Stock | Stock Repurchase Program, November 2016        
Class of Stock [Line Items]        
Shares authorized for purchase (up to) (in shares)     $ 5,000,000 $ 5,000,000