Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Schedule of Long Term Debt (Details)

v3.7.0.1
Long-Term Debt - Schedule of Long Term Debt (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Feb. 29, 2016
Dec. 31, 2015
Debt Instrument [Line Items]        
Total debt on consolidated balance sheet $ 1,698,778,000     $ 1,744,647,000
Less current portion of long-term debt (11,000,000)     (5,500,000)
Long-term debt 1,687,778,000     1,739,147,000
Convertible Debt | 9.125% Senior Notes due April 1, 2020 with an effective rate of 9.4%        
Debt Instrument [Line Items]        
Total debt on consolidated balance sheet $ 578,078,000     576,241,000
Stated interest rate on debt 9.125%      
Effective interest rate 9.40%      
Senior Notes | Senior Notes 9.125 Percent Due 2020 | MONI        
Debt Instrument [Line Items]        
Total debt on consolidated balance sheet $ 12,000,000     100,000,000
Stated interest rate on debt 9.125%      
Effective interest rate 12.50%   9.868%  
Term Loan | Term Loan Due September 2022 | MONI        
Debt Instrument [Line Items]        
Total debt on consolidated balance sheet $ 1,066,130,000      
Effective interest rate 7.20%      
Term Loan | Term Loan Due September 2022 | MONI | LIBOR        
Debt Instrument [Line Items]        
Spread on variable debt 5.50%      
Floor on variable debt 1.00%      
Term Loan | Term Loan Due March, 2018 | MONI        
Debt Instrument [Line Items]        
Total debt on consolidated balance sheet $ 0     394,938,000
Effective interest rate 5.00%      
Term Loan | Term Loan Due March, 2018 | MONI | LIBOR        
Debt Instrument [Line Items]        
Spread on variable debt 3.25%      
Floor on variable debt 1.00%      
Term Loan | Term Loan Due April 2022 | MONI        
Debt Instrument [Line Items]        
Total debt on consolidated balance sheet $ 0     542,420,000
Effective interest rate 5.10%      
Term Loan | Term Loan Due April 2022 | MONI | LIBOR        
Debt Instrument [Line Items]        
Spread on variable debt 3.50%      
Floor on variable debt 1.00%      
Revolving Credit Facility | Revolving Credit Facility Due 2021 | MONI        
Debt Instrument [Line Items]        
Total debt on consolidated balance sheet $ 42,570,000      
Effective interest rate 5.30%      
Spread on variable debt 4.00%      
Borrowing capacity $ 295,000,000 $ 295,000,000    
Revolving Credit Facility | Revolving Credit Facility Due 2021 | MONI | LIBOR        
Debt Instrument [Line Items]        
Spread on variable debt 4.00%      
Floor on variable debt 1.00%      
Revolving Credit Facility | Revolving Credit Facility Due 2017 | MONI        
Debt Instrument [Line Items]        
Total debt on consolidated balance sheet $ 0     $ 131,048,000
Effective interest rate 6.70%      
Borrowing capacity $ 315,000,000      
Revolving Credit Facility | Revolving Credit Facility Due 2017 | MONI | LIBOR        
Debt Instrument [Line Items]        
Spread on variable debt 3.75%      
Floor on variable debt 1.00%