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Long-Term Debt - Term Loan Facility (Details) - USD ($)
3 Months Ended 14 Months Ended
Jan. 24, 2017
Mar. 31, 2018
Mar. 24, 2018
Mar. 23, 2018
Mar. 01, 2018
Dec. 31, 2017
Debt Instrument [Line Items]            
Long-term debt, gross   $ 503,053,000       $ 490,256,000
Debt Instrument, Covenant, Tax Sharing Agreement, Distributions Percentage of Net Revenues, Maximum 1.00%          
Debt Instrument, Covenant, Repurchase of Capital Stock, Maximum $ 1,000,000          
Restricted cash and cash equivalents       $ 920,000 $ 2,700,000  
Term Loan Facility, Term B Loan [Member]            
Debt Instrument [Line Items]            
Long-term debt, gross   443,322,000       $ 443,161,000
Montreign Operating [Member] | Notes Payable to Banks [Member] | Term Loan Facility, Term A Loan [Member]            
Debt Instrument [Line Items]            
Long-term debt, gross   0        
Commitment fee percent, through closing date     2.50%      
Commitment fee percent, after closing date     5.00%      
Montreign Operating [Member] | Notes Payable to Banks [Member] | Term Loan Facility, Term A Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument [Line Items]            
Basis spread on variable rate 5.00%          
Montreign Operating [Member] | Notes Payable to Banks [Member] | Term Loan Facility, Term A Loan [Member] | Base Rate [Member]            
Debt Instrument [Line Items]            
Basis spread on variable rate 4.00%          
Montreign Operating [Member] | Notes Payable to Banks [Member] | Term Loan Facility, Term B Loan [Member]            
Debt Instrument [Line Items]            
Long-term debt, gross   $ 415,000,000        
Stated percentage   9.90%        
Debt Instrument, Repayment Percent of Principal   1.00%        
Debt Instrument, Periodic Payment, Principal   $ 1,100,000        
Montreign Operating [Member] | Notes Payable to Banks [Member] | Term Loan Facility, Term B Loan [Member] | London Interbank Offered Rate (LIBOR) [Member]            
Debt Instrument [Line Items]            
Basis spread on variable rate 8.25%          
Montreign Operating [Member] | Notes Payable to Banks [Member] | Term Loan Facility, Term B Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum            
Debt Instrument [Line Items]            
Stated percentage 1.00%          
Montreign Operating [Member] | Notes Payable to Banks [Member] | Term Loan Facility, Term B Loan [Member] | Base Rate [Member]            
Debt Instrument [Line Items]            
Basis spread on variable rate 7.25%