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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2013
Fair Value Disclosures [Abstract]  
Fair Value, by Balance Sheet Grouping
The following table presents the carrying amount and estimated fair values of financial instruments held by the Company at December 31, 2013 and 2012, using market information and what the Company believes to be appropriate valuation methodologies under generally accepted accounting principles:
 
2013
 
2012
Asset (liability)
Carrying
Amount
 
Fair Value
 
Carrying
Amount
 
Fair Value
 
 
 
Level 1
 
Level 2
 
 
 
Level 1
 
Level 2
Cash and cash equivalents
$
199,644

 
$
199,644

 
$
—

 
$
280,596

 
$
280,596

 
$
—

Restricted cash (a)
68,944

 
68,944

 
—

 
10,559

 
10,559

 
—

Current maturities of long-term debt
(112,500
)
 
—

 
(119,614
)
 
(150,000
)
 
—

 
(150,000
)
Long-term debt
(1,461,724
)
 
—

 
(1,489,810
)
 
(1,120,052
)
 
—

 
(1,250,341
)
Interest rate swaps (b)
(4,659
)
 
—

 
(4,659
)
 
—

 
—

 
—

Foreign currency exchange contracts (b)
940

 
—

 
940

 
—

 
—

 
—

Foreign currency option contracts (b)
467

 
—

 
467

 
—

 
—

 
—

Fuel hedge contracts (b)
160

 
—

 
160

 
—

 
—

 
—


 
 
 
 
 

(a)
Restricted cash is recorded in “Other Assets” and represents the proceeds from LKE sales deposited with a third-party intermediary.
(b)
See Note 6 — Derivative Financial Instruments and Hedging Activities for information regarding the Balance Sheet classification of the Company’s derivative financial instruments.