Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Narrative (Details)

v3.5.0.2
Long-Term Debt - Narrative (Details) - USD ($)
9 Months Ended 12 Months Ended
Oct. 01, 2016
Sep. 30, 2016
Feb. 29, 2016
Sep. 30, 2016
Dec. 31, 2015
Jun. 30, 2016
Debt Instrument [Line Items]            
Long-term debt   $ 1,703,587,000   $ 1,703,587,000 $ 1,744,647,000  
Senior Notes | Senior Notes 9.125 Percent Due 2020            
Debt Instrument [Line Items]            
Principal   $ 585,000,000   $ 585,000,000    
Debt interest rate   9.125%   9.125% 9.125%  
Long-term debt   $ 577,615,000   $ 577,615,000 $ 576,241,000  
Promissory Note | Promissory Note Due 2020            
Debt Instrument [Line Items]            
Debt interest rate   12.50%   12.50% 9.868%  
Long-term debt   $ 12,000,000 [1] $ 12,000,000 $ 12,000,000 [1] $ 100,000,000  
Term Loan | Term Loan Due March 2018            
Debt Instrument [Line Items]            
Long-term debt   0   0 394,938,000  
Term Loan | Term Loan Due April 2022            
Debt Instrument [Line Items]            
Long-term debt   0   0 $ 542,420,000  
Term Loan | Term Loan Due September 2022            
Debt Instrument [Line Items]            
Long-term debt   1,067,899,000   1,067,899,000    
Revolving Credit Facility            
Debt Instrument [Line Items]            
Debt instrument, unamortized discount (premium) and debt issuance costs, net   34,428,000   34,428,000    
Revolving Credit Facility | Revolving Credit Facility Due 2021            
Debt Instrument [Line Items]            
Long-term debt   46,073,000   46,073,000    
Maximum borrowing on line   295,000,000   $ 295,000,000    
LIBOR | Term Loan | Term Loan Due March 2018            
Debt Instrument [Line Items]            
Basis spread on variable debt       3.25% 3.25%  
Floor on variable debt       1.00% 1.00%  
LIBOR | Term Loan | Term Loan Due April 2022            
Debt Instrument [Line Items]            
Basis spread on variable debt       3.50% 3.50%  
Floor on variable debt       1.00% 1.00%  
LIBOR | Term Loan | Term Loan Due September 2022            
Debt Instrument [Line Items]            
Basis spread on variable debt       5.50%    
Floor on variable debt       1.00%    
LIBOR | Revolving Credit Facility | Revolving Credit Facility Due 2021            
Debt Instrument [Line Items]            
Basis spread on variable debt       4.00%    
Floor on variable debt       1.00%    
MONI | Senior Notes | Senior Notes 9.125 Percent Due 2020            
Debt Instrument [Line Items]            
Accumulated amortization, debt issuance costs   7,385,000   $ 7,385,000    
MONI | Term Loan | Term Loan Due March 2018            
Debt Instrument [Line Items]            
Repayments of debt   403,784,000        
MONI | Term Loan | Term Loan Due April 2022            
Debt Instrument [Line Items]            
Repayments of debt   543,125,000        
MONI | Term Loan | Term Loan Due September 2022            
Debt Instrument [Line Items]            
Principal   $ 1,100,000,000   1,100,000,000    
Debt discount on purchase price, percentage   1.50%        
Line of credit facility, periodic payment       2,750,000    
MONI | Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit facility, current borrowing capacity           $ 315,000,000
Repayments of lines of credit   $ 138,900,000        
MONI | Revolving Credit Facility | Revolving Credit Facility Due 2021            
Debt Instrument [Line Items]            
Maximum borrowing on line   295,000,000   295,000,000    
Line of credit   $ 48,400,000   $ 48,400,000    
Basis spread on variable debt       4.00%    
MONI | Interest Rate Swap | Designated as Hedging Instrument | Term Loan            
Debt Instrument [Line Items]            
Fixed Rate Paid   7.15%   7.15%    
MONI | Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit   $ 48,400,000   $ 48,400,000    
Line of credit facility, remaining borrowing capacity   $ 246,600,000   $ 246,600,000    
MONI | LIBOR | Term Loan | Term Loan Due September 2022            
Debt Instrument [Line Items]            
Basis spread on variable debt       5.50%    
Floor on variable debt       1.00%    
MONI | LIBOR | Revolving Credit Facility | Revolving Credit Facility Due 2021            
Debt Instrument [Line Items]            
Floor on variable debt       1.00%    
MONI | LIBOR | Revolving Credit Facility            
Debt Instrument [Line Items]            
Unused capacity fee for line of credit       0.50%    
MONI | Subsequent Event | Senior Notes            
Debt Instrument [Line Items]            
Debt instrument, periodic payment, interest $ 26,691,000          
Parent Company | Promissory Note | Promissory Note Due 2020            
Debt Instrument [Line Items]            
Debt interest rate     12.50%      
Extinguishment of debt, amount     $ 100,000,000      
Principal Owner            
Debt Instrument [Line Items]            
Related party, approved principal amount contribution     $ 88,000,000      
[1] The effective rate was 9.868% until February 29, 2016.