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Fair Value Measurements (Tables)
 3 Months Ended
Mar. 22, 2015
Fair Value Disclosures [Abstract]  
Carrying Amounts and Fair Values of Certain Assets

The following tables summarize the carrying amounts and fair values of certain assets at March 22, 2015 and December 28, 2014:

 

 

 

At March 22, 2015

 

 

 

 

 

 

 

Fair Value Estimated Using

 

 

 

Carrying

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

 

Amount

 

 

Inputs

 

 

Inputs

 

 

Inputs

 

Cash equivalents

 

$

59,822

 

 

$

59,822

 

 

$

—

 

 

$

—

 

Restricted cash equivalents

 

 

97,733

 

 

 

97,733

 

 

 

—

 

 

 

—

 

Investments in marketable securities

 

 

5,128

 

 

 

5,128

 

 

 

—

 

 

 

—

 

 

 

 

At December 28, 2014

 

 

 

 

 

 

 

Fair Value Estimated Using

 

 

 

Carrying

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

 

Amount

 

 

Inputs

 

 

Inputs

 

 

Inputs

 

Cash equivalents

 

$

16,290

 

 

$

16,290

 

 

$

—

 

 

$

—

 

Restricted cash equivalents

 

 

93,121

 

 

 

93,121

 

 

 

—

 

 

 

—

 

Investments in marketable securities

 

 

4,586

 

 

 

4,586

 

 

 

—

 

 

 

—