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LONG-TERM DEBT - Additional Information (Detail)
1 Months Ended 3 Months Ended
Apr. 30, 2017
USD ($)
Mar. 31, 2017
USD ($)
interest_rate_derviative
Mar. 31, 2016
USD ($)
Feb. 28, 2017
USD ($)
Debt Instrument [Line Items]        
Gain (loss) on debt extinguishment   $ (472,000) $ 48,000  
Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00%        
Debt Instrument [Line Items]        
Debt instrument variable rate basis   3.00%    
New York Bonds 2016 | Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-2 due January 2025 - fixed rate interest period through 2017; bore interest at 6.25%        
Debt Instrument [Line Items]        
Aggregate principal amount   $ 21,400,000    
New York Bonds 2016 | Finance Authority of Maine Solid Waste Disposal Revenue Bonds Series 2005R-3 due January 2025 - fixed rate interest period through 2025; bearing interest at 5.25%        
Debt Instrument [Line Items]        
Aggregate principal amount       $ 25,000,000
Debt instrument interest rate   5.25%    
Senior Subordinated Notes Due 2019 Notes        
Debt Instrument [Line Items]        
Debt instrument interest rate   7.75%    
Maine Bonds | Variable Rate Bonds        
Debt Instrument [Line Items]        
Carrying value of bonds   $ 3,600,000    
Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00%        
Debt Instrument [Line Items]        
Aggregate principal amount $ 350,000,000      
Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00%        
Debt Instrument [Line Items]        
Net leverage ratio 3.75      
Cash Flow Hedging        
Debt Instrument [Line Items]        
Derivative asset fair value   388,000    
Derivative liability fair value   $ 454,000    
Cash Flow Hedging | Interest Rate Derivative        
Debt Instrument [Line Items]        
Interest rate derivatives entered into | interest_rate_derviative   3    
Notional amount   $ 60,000,000    
Weighted average rate paid   1.95%    
Cash Flow Hedging | Interest Rate Derivative - February 2021        
Debt Instrument [Line Items]        
Notional amount   $ 35,000,000    
Cash Flow Hedging | Interest Rate Derivative - February 2022        
Debt Instrument [Line Items]        
Notional amount   $ 25,000    
LIBOR | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00%        
Debt Instrument [Line Items]        
Debt instrument variable rate basis 2.75%      
LIBOR | Cash Flow Hedging | Interest Rate Derivative        
Debt Instrument [Line Items]        
Floor interest rate received   1.00%    
LIBOR Floor | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00%        
Debt Instrument [Line Items]        
Debt instrument variable rate basis 1.00%      
Base Rate | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00%        
Debt Instrument [Line Items]        
Debt instrument variable rate basis 1.75%      
Decrease in applicable interest margin 0.25%      
Revolving Credit Facility | Subsequent Event | Line of Credit | Revolving Credit Facility due October 2021        
Debt Instrument [Line Items]        
Revolving facility amount $ 160,000,000      
Consolidated net leverage ratio of 3.75x or less | LIBOR | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00%        
Debt Instrument [Line Items]        
Debt instrument variable rate basis 2.50%      
Consolidated net leverage ratio of 3.75x or less | LIBOR Floor | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00%        
Debt Instrument [Line Items]        
Debt instrument variable rate basis 1.00%      
Consolidated net leverage ratio of 3.75x or less | Base Rate | Subsequent Event | Secured Debt | Term Loan B Facility due October 2023; bearing interest at LIBOR plus 3.00%        
Debt Instrument [Line Items]        
Debt instrument variable rate basis 1.50%