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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Jun. 29, 2019
Dec. 29, 2018
Jun. 30, 2018
Statement of Financial Position [Abstract]      
Accumulated depreciation $ 486,319 $ 448,898 $ 430,834
Preferred stock; par value (USD per share) $ 0.01 $ 0.01 $ 0.01
Preferred stock; shares authorized 100,000 100,000 100,000
Preferred stock; issued 0 0 0
Preferred stock; outstanding 0 0 0
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01 $ 0.01
Common stock, voting; shares authorized 150,000,000 150,000,000 150,000,000
Common stock voting; shares issued 44,868,563 45,629,014 46,565,443
Common stock voting; shares outstanding 44,868,563 45,629,014 46,565,443