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FAIR VALUE MEASUREMENT
9 Months Ended
Sep. 25, 2015
Fair Value Disclosures [Abstract]  
FAIR VALUE MEASUREMENT
FAIR VALUE MEASUREMENT
Fair value is the price that would be received to sell an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. We apply a fair value hierarchy that prioritizes the inputs used to measure fair value:
Level 1 inputs are valued using quoted market prices in active markets for identical assets or liabilities. Our Level 1 assets primarily include cash and cash equivalents and mutual funds.
Level 2 inputs are valued based upon quoted prices for similar instruments in active markets or quoted prices for identical or similar instruments in markets that are not active. Our Level 2 assets are marketable securities, which may consist of certificates of deposit ("CDs") and commercial paper, and restricted investments, which consist of municipal debt securities, corporate debt securities, asset-backed securities, and U.S. agency debentures. Our investments consist of highly rated investment grade debt securities, which are rated A1/P1 or higher for short-term securities and A- or higher for long-term securities, by nationally recognized statistical rating organizations. We obtain our inputs from quoted market prices and independent pricing vendors.
Level 3 inputs are generally unobservable and typically reflect management's estimates of assumptions that market participants would use in pricing the asset or liability. We have no Level 3 assets or liabilities.
The carrying values of our accounts receivable, accounts payable and other accrued expenses, and accrued wages and benefits approximate fair value due to their short-term nature. We also hold certain restricted investments which collateralize workers' compensation programs and are classified as held-to-maturity and carried at amortized cost on our Consolidated Balance Sheets. We hold long-term debt with variable interest rates that approximate fair value. For additional information, see Note 8: Long-term Debt.
The following tables present the fair value and hierarchy for our financial assets (in thousands):
 
September 25, 2015
 
Carrying Value
 
Total Fair Value
 
Level 1
 
Level 2
 
Level 3
Cash and cash equivalents (1)
$
23,232

 
$
23,232

 
$
23,232

 
$

 
$

Restricted cash and cash equivalents (1)
53,944

 
53,944

 
53,944

 

 

Other restricted assets (2)
11,647

 
11,647

 
11,647

 

 

Restricted investments classified as held-to-maturity
116,319

 
117,519

 

 
117,519

 

 
December 26, 2014
 
Carrying Value
 
Total Fair Value
 
Level 1
 
Level 2
 
Level 3
Cash and cash equivalents (1)
$
19,666

 
$
19,666

 
$
19,666

 
$

 
$

Marketable securities classified as available-for-sale (3)
1,500

 
1,500

 

 
1,500

 

Restricted cash and cash equivalents (1)
68,359

 
68,359

 
68,359

 

 

Other restricted assets (2)
9,972

 
9,972

 
9,972

 

 

Restricted investments classified as held-to-maturity
90,095

 
91,066

 

 
91,066

 


(1)
Cash equivalents and restricted cash equivalents consist of money market funds, deposits, and investments with original maturities of three months or less.
(2)
Other restricted assets primarily consist of deferred compensation plan accounts, which are comprised of mutual funds classified as available-for-sale securities.
(3)
At September 25, 2015, we held no marketable securities. At December 26, 2014, all of our marketable securities, which consisted of CDs, had stated maturities of less than one year.