Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Narrative (Details)

v3.7.0.1
Long-Term Debt - Narrative (Details) - USD ($)
3 Months Ended
Apr. 01, 2017
Sep. 30, 2016
Feb. 29, 2016
Mar. 31, 2017
Mar. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]            
Long-term debt       $ 1,722,584,000   $ 1,698,778,000
Principal Owner            
Debt Instrument [Line Items]            
Related party, approved principal amount contribution     $ 88,000,000      
MONI | Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit       69,700,000    
Line of credit facility, remaining borrowing capacity       $ 225,300,000    
MONI | LIBOR | Revolving Credit Facility            
Debt Instrument [Line Items]            
Unused capacity fee for line of credit       0.50%    
Senior Notes | MONI | Subsequent Event            
Debt Instrument [Line Items]            
Debt instrument, periodic payment, interest $ 26,691,000          
Term Loan | MONI | Interest Rate Swap | Designated as Hedging Instrument            
Debt Instrument [Line Items]            
Fixed rate paid       7.18%    
Revolving Credit Facility            
Debt Instrument [Line Items]            
Debt instrument, unamortized discount (premium) and debt issuance costs, net       $ 32,168,000    
Senior Notes 9.125 Percent Due 2020 | Senior Notes            
Debt Instrument [Line Items]            
Principal       $ 585,000,000    
Debt interest rate       9.125%    
Long-term debt       $ 578,552,000   578,078,000
Senior Notes 9.125 Percent Due 2020 | Senior Notes | MONI            
Debt Instrument [Line Items]            
Accumulated amortization, debt issuance costs       6,448,000    
Promissory Note Due 2020 | Promissory Note            
Debt Instrument [Line Items]            
Long-term debt     $ 12,000,000 12,000,000   12,000,000 [1]
Promissory Note Due 2020 | Promissory Note | Parent Company            
Debt Instrument [Line Items]            
Debt interest rate     12.50%      
Extinguishment of debt, amount     $ 100,000,000      
Term Loan Due September 2022 | Term Loan            
Debt Instrument [Line Items]            
Long-term debt       $ 1,064,465,000   1,066,130,000
Term Loan Due September 2022 | Term Loan | LIBOR            
Debt Instrument [Line Items]            
Basis spread on variable debt       5.50%    
Floor on variable debt       1.00%    
Term Loan Due September 2022 | Term Loan | MONI            
Debt Instrument [Line Items]            
Principal   $ 1,100,000,000   $ 1,094,500,000    
Debt discount on purchase price, percentage   1.50%        
Line of credit facility, periodic payment       $ 2,750,000    
Term Loan Due September 2022 | Term Loan | MONI | LIBOR            
Debt Instrument [Line Items]            
Basis spread on variable debt       5.50%    
Floor on variable debt       1.00%    
Revolving Credit Facility Due 2021 | Revolving Credit Facility            
Debt Instrument [Line Items]            
Long-term debt       $ 67,567,000   $ 42,570,000
Maximum borrowing on line       $ 295,000,000    
Revolving Credit Facility Due 2021 | Revolving Credit Facility | LIBOR            
Debt Instrument [Line Items]            
Basis spread on variable debt       4.00%    
Floor on variable debt       1.00%    
Revolving Credit Facility Due 2021 | Revolving Credit Facility | MONI            
Debt Instrument [Line Items]            
Maximum borrowing on line   $ 295,000,000        
Line of credit         $ 41,800,000  
Basis spread on variable debt       4.00%    
Revolving Credit Facility Due 2021 | Revolving Credit Facility | MONI | LIBOR            
Debt Instrument [Line Items]            
Floor on variable debt       1.00%    
[1] The effective rate was 9.868% until February 29, 2016.