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FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES (Tables)
9 Months Ended
Sep. 30, 2019
FAIR VALUE OF CERTAIN FINANCIAL ASSETS AND LIABILITIES  
Schedule of financial assets and liabilities recorded at fair value on a recurring basis

September 30, 2019

    

Level 1

    

Level 2

    

Level 3

    

Total

Cash

$

557,925

$

$

$

557,925

Money market funds

 

69,362

 

 

 

69,362

Certificates of deposit

11,533

11,533

Commercial paper

 

 

95,972

 

 

95,972

Variable rate demand notes

29,347

29,347

Municipal securities

 

 

159,884

 

 

159,884

U.S. government agency securities

 

 

80,879

 

 

80,879

U.S. treasuries

314,441

314,441

Foreign currency derivatives

 

 

30

 

 

30

Total

$

627,287

$

692,086

$

$

1,319,373

Amounts included in:

Cash and cash equivalents

$

627,287

$

90,330

$

$

717,617

Short-term investments

 

 

587,356

 

 

587,356

Accounts receivable, net

 

 

168

 

 

168

Investments

14,370

14,370

Accrued liabilities

 

 

(138)

 

 

(138)

Total

$

627,287

$

692,086

$

$

1,319,373

December 31, 2018

    

Level 1

    

Level 2

    

Level 3

    

Total

Cash

$

393,936

$

$

$

393,936

Money market funds

 

191,358

 

 

 

191,358

Certificates of deposit

14,075

14,075

Commercial paper

 

 

60,422

 

 

60,422

Variable rate demand notes

 

 

4,005

 

 

4,005

Municipal securities

 

 

177,118

 

 

177,118

U.S. government agency securities

 

 

39,092

 

 

39,092

U.S. treasuries

78,157

78,157

Foreign currency derivatives

 

 

(492)

 

 

(492)

Total

$

585,294

$

372,377

$

$

957,671

Amounts included in:

Cash and cash equivalents

$

585,294

$

52,219

$

$

637,513

Short-term investments

 

 

320,650

 

 

320,650

Accounts receivable, net

 

 

43

 

 

43

Accrued liabilities

 

 

(535)

 

 

(535)

Total

$

585,294

$

372,377

$

$

957,671