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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 30, 2018
Dec. 31, 2017
Statement of Financial Position [Abstract]    
Accounts receivable, reserves $ 1,879 $ 1,424
Capitalized software, accumulated amortization 89,161 78,696
Other assets, accumulated amortization $ 776 $ 776
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 170,000,000 170,000,000
Common stock, shares issued 40,977,561 42,898,329
Common stock, shares outstanding 40,977,561 42,898,329
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 5,000,000 5,000,000
Preferred stock, shares issued 0 0