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FAIR VALUES OF FINANCIAL INSTRUMENTS (Tables)
12 Months Ended
Dec. 31, 2014
Fair Value Disclosures [Abstract]  
Available-for-Sale Securities Measured at Fair Value

The following is a summary of our available-for-sale securities measured at fair value:

 

 

December 31, 2014

 

 

Total

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

(in thousands)

 

Mutual funds(1)

$

2,216

 

 

$

 

 

$

2,216

 

 

$

 

Commercial paper

 

1,699

 

 

 

 

 

 

1,699

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total

$

3,915

 

 

$

 

 

$

3,915

 

 

$

 

 

 

December 31, 2013

 

 

Total

 

 

Level 1

 

 

Level 2

 

 

Level 3

 

 

(in thousands)

 

Mutual funds(1)

$

2,173

 

 

$

 

 

$

2,173

 

 

$

 

Commercial paper

 

3,699

 

 

 

 

 

 

3,699

 

 

 

 

Asset-backed securities and collateralized mortgage obligations(2)

 

7,639

 

 

 

 

 

 

2,082

 

 

 

5,557

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Total

$

13,511

 

 

$

 

 

$

7,954

 

 

$

5,557

 

(1)

Various U.S. equities and other investments managed under mutual funds

(2)

Asset-backed and mortgage-backed securities with maturities of up to 26 years

Changes in Level Three Instrument Measured on Recurring Basis

The following is a summary of the changes in our Level 3 instrument measured on a recurring basis for the years ended December 31, 2014 and 2013:

 

 

December 31,

 

 

2014

 

 

2013

 

 

(in thousands)

 

Balance at beginning of period

$

5,557

 

 

$

6,343

 

Total realized and unrealized gains (losses)

 

(375

)

 

 

484

 

Sales and principal repayments

 

(5,182

)

 

 

(1,270

)

Balance at end of period

$

 

 

$

5,557

 

 

Estimated Fair Values of Financial Instruments

The estimated fair values of certain of our financial instruments are as follows:

 

 

 

December 31, 2014

 

 

December 31, 2013

 

 

 

Carrying

Amount

 

 

Fair Value

 

 

Carrying

Amount

 

 

Fair Value

 

 

 

(In thousands)

 

Balance Sheet Instruments

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cash and cash equivalents

 

$

665,309

 

 

$

665,309

 

 

$

118,702

 

 

$

118,702

 

Restricted cash and cash equivalents

 

$

187,585

 

 

$

187,585

 

 

$

23,652

 

 

$

23,652

 

Investments

 

$

3,915

 

 

$

3,915

 

 

$

13,511

 

 

$

13,511

 

Debt

 

$

(891,547

)

 

(737,980

)

 

$

(88,562

)

 

$

(90,005

)

Forward contracts

 

$

(46,912

)

 

$

(46,912

)

 

$

(28,767

)

 

$

(28,767

)