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Long-Term Debt - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 10, 2015
Dec. 29, 2018
Sep. 29, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 29, 2018
Dec. 30, 2017
Debt Instrument [Line Items]              
Principal amount   $ 263,033,000       $ 263,033,000  
Annual excess cash flow payments           95 days  
Line of Credit | Term Loan              
Debt Instrument [Line Items]              
Principal amount $ 350,000,000            
Repayment of debt 346,500,000            
Unamortized original issue discount and debt issuance costs 3,500,000 $ 3,386,000       $ 3,386,000 $ 5,616,000
Payments of debt issuance costs $ 8,300,000            
Interest rate, effective percentage   7.30%       7.30%  
Quarterly installment payment   $ 900,000 $ 900,000 $ 900,000 $ 900,000 $ 900,000  
Percentage of excess cash flow payment required   75.00%       75.00%  
Payment of required annual excess cash flow payment       200,000      
Debt principal payment   $ 15,000,000 $ 15,000,000 $ 10,000,000      
Debt outstanding   $ 263,033,000       $ 263,033,000 $ 306,791,000
Line of Credit | Term Loan | London Interbank Offered Rate (LIBOR)              
Debt Instrument [Line Items]              
Debt variable interest floor rate           1.00%  
Basis spread on variable rate           4.25%  
Minimum | Line of Credit | Term Loan              
Debt Instrument [Line Items]              
Percentage of excess cash flow payment required   0.00%       0.00%  
Maximum | Line of Credit | Term Loan              
Debt Instrument [Line Items]              
Percentage of excess cash flow payment required   75.00%       75.00%