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Stock-Based Compensation - Assumptions Used in Option-pricing Valuation (Details) - Successor - USD ($)
6 Months Ended 12 Months Ended
Dec. 29, 2015
Jan. 03, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected volatility (percent) 38.01% 37.64%
Risk-free rate of return (percent) 1.84% 1.12%
Expected life (in years) 5 years 6 months 5 years 6 months
Dividend yield $ 0 $ 0
Fair value per share at date of grant (in dollars per share) $ 3.93 $ 3.31