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LONG-TERM DEBT - Additional Information (Details) - USD ($)
Feb. 29, 2016
Mar. 31, 2016
Dec. 31, 2015
Feb. 26, 2014
Debt Instrument [Line Items]        
Standby and trade letters of credit for various corporate purposes   $ 8,800,000 $ 8,800,000  
Amended Term Loan Facility [Member]        
Debt Instrument [Line Items]        
Repayment of debt $ 23,200,000      
Percentage Of Annual Excess Cash Flow For Pre Payment Of Loan 50.00%      
2011 Term Loan [Member]        
Debt Instrument [Line Items]        
Repayment of debt $ 11,500,000      
Aggregate principal amount outstanding 651,400,000 651,400,000   $ 675,000,000
Acquisition Term Loan [Member]        
Debt Instrument [Line Items]        
Repayment of debt 11,700,000      
Aggregate principal amount outstanding   660,300,000    
Scheduled principal payments $ 6,800,000   $ 6,900,000  
Maximum borrowings available under credit facility   700,000,000.0    
Amended Revolving Credit Facility [Member]        
Debt Instrument [Line Items]        
Maximum borrowings available under credit facility   175,000,000    
Standby and trade letters of credit for various corporate purposes   8,800,000    
Remaining borrowing capacity   166,200,000    
5 3/4% Senior Notes Due 2021 [Member]        
Debt Instrument [Line Items]        
Maximum borrowings available under credit facility   $ 500,000,000    
Stated interest rate (percent)   5.75% 5.75%  
Spanish Government Loan Due 2025 [Member]        
Debt Instrument [Line Items]        
Term loan facility   $ 600,000 $ 600,000