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Debt (Details Textual)
$ in Thousands
12 Months Ended
Jan. 28, 2016
USD ($)
Oct. 09, 2014
USD ($)
Dec. 30, 2017
USD ($)
Dec. 31, 2016
USD ($)
Debt Instrument [Line Items]        
Unamortized discount     $ 5,631 $ 6,507
Long-term Debt [Member] | Term Loan Due 2019 [Member]        
Debt Instrument [Line Items]        
Aggregate principal amount issued $ 300,000   $ 300,000 300,000
Debt instrument, term 3 years      
Debt Instrument, Maturity Date     Jan. 28, 2019  
Debt instrument, covenant, debt to EBITDA ratio     3.00  
Debt Instrument, Covenant, Debt to EBITDA Ratio after step up triggered by acquisition     3.50  
Debt Instrument, Covenant, Required Business Acquisition Consideration, Minimum     $ 250,000  
Unamortized discount     226 434
Senior Notes [Member] | Senior Notes Due 2024 [Member]        
Debt Instrument [Line Items]        
Aggregate principal amount issued   $ 350,000 350,000 350,000
Stated interest rate of Senior Notes   4.375%    
Proceeds from Senior Notes, net   $ 342,400    
Unamortized discount   1,400 $ 5,405 $ 6,073
Debt issuance costs   $ 6,200    
London Interbank Offered Rate (LIBOR) [Member] | Long-term Debt [Member] | Term Loan Due 2019 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, interest rate at period end     2.63%  
Minimum [Member] | Long-term Debt [Member] | Term Loan Due 2019 [Member]        
Debt Instrument [Line Items]        
Pro forma leverage ratio     2.75  
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Long-term Debt [Member] | Term Loan Due 2019 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, interest rate spread     1.125%  
Maximum [Member] | Long-term Debt [Member] | Term Loan Due 2019 [Member]        
Debt Instrument [Line Items]        
Pro forma leverage ratio     3.25  
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Long-term Debt [Member] | Term Loan Due 2019 [Member]        
Debt Instrument [Line Items]        
Debt Instrument, interest rate spread     1.875%