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Earnings per Share (Tables)
6 Months Ended
Jun. 30, 2018
Earnings Per Share [Abstract]  
Schedule of Reconciliation of Basic Shares Outstanding to Diluted Shares Outstanding
Basic weighted average shares outstanding is reconciled to diluted weighted average shares outstanding as follows (in thousands):
 
Thirteen Weeks Ended
 
Twenty-Six Weeks Ended
 
June 30,
2018
 
July 1,
2017
 
June 30,
2018
 
July 1,
2017
Basic weighted average shares outstanding
29,230

 
29,032

 
29,173

 
28,964

Dilutive shares
298

 
362

 
336

 
397

Diluted weighted average shares outstanding
29,528

 
29,394

 
29,509

 
29,361