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DEBT (Unsecured Senior Notes) (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 27, 2017
Aug. 05, 2014
Mar. 29, 2010
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Mar. 07, 2003
Debt Instrument [Line Items]              
Debt instrument, interest rate, stated percentage     8.125%        
Debt instrument, redemption price, percentage     101.00%        
Gain (loss) on repurchase of debt instrument       $ (3,237,000) $ (2,988,000) $ (26,516,000)  
Deposits $ 27,491,000            
Debt instrument, annual principal payment 26,417,000            
Accrued and unpaid interest 514,000            
General and administrative       27,493,000 41,608,000 61,540,000  
Interest paid, net       31,283,000 37,875,000 72,344,000  
Parent Company [Member]              
Debt Instrument [Line Items]              
Deposits $ 27,491            
General and administrative       $ (134,000) $ 698,000 935,000  
7.50% Election 1 Notes due 2021 [Member]              
Debt Instrument [Line Items]              
Debt instrument, face amount   $ 6,508,000          
7.50% Election 2 Notes due 2021              
Debt Instrument [Line Items]              
Debt instrument, face amount   $ 138,708,000          
Debt instrument, interest rate, stated percentage   7.50%          
7.50% Election 2 Notes due 2021 | Parent Company [Member]              
Debt Instrument [Line Items]              
Debt instrument, interest rate, stated percentage       7.50% 7.50%    
7.50% Notes due 2024 and 8.125% Notes due 2018 [Member]              
Debt Instrument [Line Items]              
Write off of deferred debt issuance cost       $ 504,000      
Gain (loss) on repurchase of debt instrument       (2,000) $ (2,463,000)    
7.50% Notes due 2024 and 8.125% Notes due 2018 [Member] | Parent Company [Member]              
Debt Instrument [Line Items]              
Write off of deferred debt issuance cost       504,000 $ 784,000    
Repayments of secured debt           326,051,000  
Gain (loss) on repurchase of debt instrument       (2,495,000)   $ (26,516,000)  
7.50% Notes due 2024              
Debt Instrument [Line Items]              
Debt instrument, face amount             $ 146,000,000
Debt instrument, interest rate, stated percentage             7.50%
Early repayment of senior debt       $ 0      
7.50% Notes due 2024 | Parent Company [Member]              
Debt Instrument [Line Items]              
Debt instrument, interest rate, stated percentage       7.50% 7.50%   7.50%
Early repayment of senior debt       $ 0 $ 294,000    
8.125% Notes due 2018              
Debt Instrument [Line Items]              
Debt instrument, face amount     $ 300,000,000        
Debt instrument, interest rate, stated percentage     8.125% 8.125% 8.125%    
Debt instrument, redemption price, percentage   101.00%          
Early repayment of senior debt       $ 55,202,000      
Debt instrument, minimum aggregate percentage, for holders to call entire unpaid principal and interst due   25.00%          
8.125% Notes due 2018 | Parent Company [Member]              
Debt Instrument [Line Items]              
Debt instrument, interest rate, stated percentage     8.125%        
Early repayment of senior debt       $ 55,000 $ 37,345,000    
The Bank of New York Mellon Trust Loan [Member]              
Debt Instrument [Line Items]              
Debt instrument, interest rate, stated percentage 8.125%            
Write off of deferred debt issuance cost $ 182,000            
Gain (loss) on repurchase of debt instrument $ (742,000)            
The Bank of New York Mellon Trust Loan [Member] | Parent Company [Member]              
Debt Instrument [Line Items]              
Debt instrument, interest rate, stated percentage 8.125%            
Write off of deferred debt issuance cost $ 182,000            
Gain (loss) on repurchase of debt instrument $ (742,000)            
Exit Financing Facilities [Member]              
Debt Instrument [Line Items]              
Debt instrument, interest rate, stated percentage   2.00%          
OBS ABL Facility [Member]              
Debt Instrument [Line Items]              
Repayments of secured debt         110,295,000    
OBS Term Loan              
Debt Instrument [Line Items]              
Write off of deferred debt issuance cost         3,940,000    
Gain (loss) on repurchase of debt instrument         (525,000)    
Mandatory prepayment of debt         27,000,000    
General and administrative         $ 77,000