XML 11 R39.htm IDEA: XBRL DOCUMENT v3.2.0.727
RESTRICTED CASH AND INVESTMENTS (Details) - USD ($)
$ in Thousands
Jun. 26, 2015
Dec. 26, 2014
Restricted Cash and Investments [Line Items]    
Cash collateral held by insurance carriers $ 22,305 $ 22,639
Cash and cash equivalents held in Trust 34,057 43,856
Investments held in Trust 94,598 90,095
Cash collateral backing letters of credit 1,864 1,864
Other [1] 11,849 9,972
Restricted cash and investments 164,673 168,426
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]    
Amortized Cost 94,598 90,095
Gross Unrealized Gain 922 1,218
Gross Unrealized Loss (322) (247)
Fair Value 95,198 91,066
Held-to-maturity Securities, Investment Maturities, Amortized Cost [Abstract]    
Amortized Cost 94,598 90,095
Held-to-maturity Securities, Investment Maturities, Fair Value [Abstract]    
Fair Value 95,198 91,066
Municipal debt securities    
Restricted Cash and Investments [Line Items]    
Investments held in Trust 52,213 52,406
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]    
Amortized Cost 52,213 52,406
Gross Unrealized Gain 664 882
Gross Unrealized Loss (155) (92)
Fair Value 52,722 53,196
Held-to-maturity Securities, Investment Maturities, Amortized Cost [Abstract]    
Amortized Cost 52,213 52,406
Held-to-maturity Securities, Investment Maturities, Fair Value [Abstract]    
Fair Value 52,722 53,196
Corporate debt securities    
Restricted Cash and Investments [Line Items]    
Investments held in Trust 33,683 27,715
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]    
Amortized Cost 33,683 27,715
Gross Unrealized Gain 155 179
Gross Unrealized Loss (134) (144)
Fair Value 33,704 27,750
Held-to-maturity Securities, Investment Maturities, Amortized Cost [Abstract]    
Amortized Cost 33,683 27,715
Held-to-maturity Securities, Investment Maturities, Fair Value [Abstract]    
Fair Value 33,704 27,750
Asset-backed securities    
Restricted Cash and Investments [Line Items]    
Investments held in Trust 8,702 9,974
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]    
Amortized Cost 8,702 9,974
Gross Unrealized Gain 103 157
Gross Unrealized Loss (33) (11)
Fair Value 8,772 10,120
Held-to-maturity Securities, Investment Maturities, Amortized Cost [Abstract]    
Amortized Cost 8,702 9,974
Held-to-maturity Securities, Investment Maturities, Fair Value [Abstract]    
Fair Value 8,772 $ 10,120
Restricted Cash and Investments    
Restricted Cash and Investments [Line Items]    
Investments held in Trust 94,598  
Held-to-maturity Securities, Reconciliation to Fair Value [Abstract]    
Amortized Cost 94,598  
Fair Value 95,198  
Held-to-maturity Securities, Investment Maturities, Amortized Cost [Abstract]    
Due in one year or less 10,129  
Due after one year through five years 47,209  
Due after five years through ten years 37,260  
Amortized Cost 94,598  
Held-to-maturity Securities, Investment Maturities, Fair Value [Abstract]    
Due in one year or less 10,200  
Due after one year through five years 47,407  
Due after five years through ten years 37,591  
Fair Value $ 95,198  
[1] Primarily consists of deferred compensation plan accounts, which are comprised of mutual funds.