XML 88 R73.htm IDEA: XBRL DOCUMENT v3.7.0.1
DEBT - 2021 Notes (Details) - USD ($)
12 Months Ended
Feb. 11, 2014
Dec. 31, 2015
Dec. 31, 2016
Debt Instrument [Line Items]      
Unamortized discount     $ 3,300,000
2021 Notes      
Debt Instrument [Line Items]      
Aggregate principal debt amount $ 200,000,000.0    
Stated interest rate 8.875%    
Unamortized discount $ 5,000,000    
Repurchase price percentage offer 101.00%    
Proceeds from issuance of long-term debt $ 194,500,000    
2021 Notes | Redemption Period One      
Debt Instrument [Line Items]      
Debt redemption amount, maximum 35.00%    
Debt redemption price 108.88%    
Revolving Credit Facility      
Debt Instrument [Line Items]      
Repayments of short-term debt $ 59,300,000 $ 17,200,000  
Term Loan Facilities      
Debt Instrument [Line Items]      
Repayments of short-term debt   $ 37,000,000  
Repayments of long-term debt $ 135,200,000