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Reconciliation of Numerator and Denominator Used to Calculate Basic Earnings per Share and Diluted Earnings per Share from Continuing Operations (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 27, 2021
Sep. 28, 2020
Sep. 27, 2021
Sep. 28, 2020
Earnings Per Share [Abstract]        
Net income (loss) from continuing operations $ 20,958 $ (61,472) $ 46,027 $ (55,346)
Basic weighted average shares 107,098 106,729 106,917 106,130
Dilutive effect of performance-based restricted stock units, restricted stock units and stock options 1,247   1,655  
Dilutive effect of outstanding warrants     267  
Diluted shares 108,345 106,729 108,839 106,130
Earnings (loss) per share:        
Basic $ 0.20 $ (0.58) $ 0.43 $ (0.52)
Diluted $ 0.19 $ (0.58) $ 0.42 $ (0.52)