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Notes Payable and Borrowings under Capital Leases - Additional Information (Details)
1 Months Ended 9 Months Ended
Jul. 31, 2016
USD ($)
Sep. 30, 2016
Minimum    
Debt Instrument [Line Items]    
Debt instrument covenant interest coverage ratio   3.50
Maximum    
Debt Instrument [Line Items]    
Debt instrument covenant leverage ratio   4.25
First lien credit facility    
Debt Instrument [Line Items]    
Debt instrument, fees and expenses $ 1,400,000  
Debt instrument, deferred loan costs 800,000  
Write off of debt issuance cost 300,000  
First lien credit facility | Tranche A term loans    
Debt Instrument [Line Items]    
Principal amount 342,000,000  
First lien credit facility | Revolving Credit Facility    
Debt Instrument [Line Items]    
Line of credit facility 75,000,000  
Commitment fee percentage   0.50%
First lien credit facility | Revolving Credit Facility | Minimum    
Debt Instrument [Line Items]    
Commitment fee percentage   0.375%
First lien credit facility | Tranche B term loans    
Debt Instrument [Line Items]    
Extinguishment of debt, amount 57,600,000  
Loans Payable | Tranche A-2 Term Loans    
Debt Instrument [Line Items]    
Principal amount 135,000,000  
Debt Modification | Tranche A-2 Term Loans    
Debt Instrument [Line Items]    
Principal amount $ 77,000,000