Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Carrying Value and Estimated Fair Value of Liabilities (Details)

v3.19.3
Fair Value Measurements - Summary of Carrying Value and Estimated Fair Value of Liabilities (Details) - USD ($)
$ in Thousands
Oct. 06, 2019
Dec. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Finance lease obligations $ 11,161  
Carrying value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Finance lease obligations 11,161  
Carrying value | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Finance lease obligations   $ 10,200
Estimated Fair Value    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Finance lease obligations $ 10,839  
Estimated Fair Value | Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Finance lease obligations   $ 10,143