v3.8.0.1
LONG-TERM DEBT LIABILITIES - Senior Debt (Details) - Senior Debt Obligations
$ in Millions
Nov. 17, 2017
USD ($)
Mar. 31, 2018
USD ($)
Debt Instrument [Line Items]    
Consolidated Leverage Ratio   3.4
Through December 31, 2017 [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Consolidated Leverage Ratio   4
ThroughDecember312018Member [Member] | Maximum [Member]    
Debt Instrument [Line Items]    
Consolidated Leverage Ratio   4.5
New Revolver [Member]    
Debt Instrument [Line Items]    
Undrawn amount of the Revolver   $ 120.8
New Credit Facility, Amount Outstanding $ 250.0  
New Term B Loan [Member]    
Debt Instrument [Line Items]    
New Credit Facility, Amount Outstanding $ 1,330.0  
DebtInstrumentAnnualPrincipalPayment 1.00%