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FAIR VALUE MEASUREMENT (Details) - USD ($) $ in Thousands | Dec. 25, 2015 | Dec. 01, 2015 | Dec. 26, 2014
--- | --- | --- | ---
Fair Value Measurement [Line Items] |  |  |
Other restricted assets | $ 11,944 |  | $ 11,836
Restricted investments classified as held-to-maturity | 128,245 |  | 91,066
Carrying Value |  |  |
Fair Value Measurement [Line Items] |  |  |
Cash and cash equivalents | 29,781 |  | 19,666
Contingent consideration |  | $ 19,300 |
Carrying Value | Restricted Assets |  |  |
Fair Value Measurement [Line Items] |  |  |
Restricted cash and cash equivalents | 49,680 |  | 68,359
Other restricted assets | 11,944 |  | 9,972
Restricted investments classified as held-to-maturity | 126,788 |  | 90,095
Total Fair Value |  |  |
Fair Value Measurement [Line Items] |  |  |
Cash and cash equivalents | 29,781 |  | 19,666
Contingent consideration |  | 19,300 |
Total Fair Value | Certificate of deposits |  |  |
Fair Value Measurement [Line Items] |  |  |
Marketable securities classified as available-for-sale |  |  | 1,500
Total Fair Value | Restricted Assets |  |  |
Fair Value Measurement [Line Items] |  |  |
Restricted cash and cash equivalents | 49,680 |  | 68,359
Other restricted assets | 11,944 |  | 9,972
Restricted investments classified as held-to-maturity | 128,245 |  | 91,066
Level 1 |  |  |
Fair Value Measurement [Line Items] |  |  |
Cash and cash equivalents | 29,781 |  | 19,666
Marketable securities classified as available-for-sale |  |  | 0
Contingent consideration |  | 0 |
Level 1 | Restricted Assets |  |  |
Fair Value Measurement [Line Items] |  |  |
Restricted cash and cash equivalents | 49,680 |  | 68,359
Other restricted assets | 11,944 |  | 9,972
Restricted investments classified as held-to-maturity | 0 |  | 0
Level 2 |  |  |
Fair Value Measurement [Line Items] |  |  |
Cash and cash equivalents | 0 |  | 0
Contingent consideration |  | 0 |
Level 2 | Certificate of deposits |  |  |
Fair Value Measurement [Line Items] |  |  |
Marketable securities classified as available-for-sale |  |  | 1,500
Level 2 | Restricted Assets |  |  |
Fair Value Measurement [Line Items] |  |  |
Restricted cash and cash equivalents | 0 |  | 0
Other restricted assets | 0 |  | 0
Restricted investments classified as held-to-maturity | 128,245 |  | 91,066
Level 3 |  |  |
Fair Value Measurement [Line Items] |  |  |
Cash and cash equivalents | 0 |  | $ 0
Marketable securities classified as available-for-sale |  |  |
Contingent consideration |  | $ 19,300 |
Level 3 | Restricted Assets |  |  |
Fair Value Measurement [Line Items] |  |  |
Restricted cash and cash equivalents | 0 |  | $ 0
Other restricted assets | 0 |  | 0
Restricted investments classified as held-to-maturity | $ 0 |  | $ 0

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