Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Tables)

v2.4.0.8
Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value Disclosures [Abstract]  
Fair Value Measurements By Level For Assets And Liabilities Measured At Fair Value On A Recurring Basis
The following table summarizes fair value measurements by level at September 30, 2013, for assets and liabilities measured at fair value on a recurring basis:  
 
Level I
 
Level II
 
Level III
 
Total
Assets
 
 
 
 
 
 
 
Cash and cash equivalents
$
741,281

 
$

 
$

 
$
741,281

Investments available for sale:
 

 
 

 
 

 
 

U.S. Treasury securities and obligations of U.S. government corporations and agencies
$
213,772

 
$
14,979

 
$

 
$
228,751

Corporate securities

 
329,548

 

 
329,548

Municipal securities:
 

 
 

 
 

 
 
General obligation

 
61,476

 

 
61,476

Pre-refunded

 
14,492

 

 
14,492

Revenue

 
76,749

 

 
76,749

Variable rate demand notes

 
65,955

 

 
65,955

Asset backed securities

 
128,743

 

 
128,743

Total investments
$
213,772

 
$
691,942

 
$

 
$
905,714

Restricted deposits available for sale:
 

 
 

 
 

 
 

Cash and cash equivalents
$
22,608

 
$

 
$

 
$
22,608

Certificates of deposit
5,891

 

 

 
5,891

U.S. Treasury securities and obligations of U.S. government corporations and agencies
12,412

 

 

 
12,412

Total restricted deposits
$
40,911

 
$

 
$

 
$
40,911

Other long-term assets: Interest rate swap contract
$

 
$
10,596

 
$

 
$
10,596

Total assets at fair value
$
995,964

 
$
702,538

 
$

 
$
1,698,502


The following table summarizes fair value measurements by level at December 31, 2012, for assets and liabilities measured at fair value on a recurring basis: 
 
Level I
 
Level II
 
Level III
 
Total
Assets
 
 
 
 
 
 
 
Cash and cash equivalents
$
843,952

 
$

 
$

 
$
843,952

Investments available for sale:
 

 
 

 
 

 
 

U.S. Treasury securities and obligations of U.S. government corporations and agencies
$
57,114

 
$
46,250

 
$

 
$
103,364

Corporate securities

 
320,710

 

 
320,710

Municipal securities:
 

 
 

 
 

 
 
General obligation

 
89,837

 

 
89,837

Pre-refunded

 
5,422

 

 
5,422

Revenue

 
86,027

 

 
86,027

Variable rate demand notes

 
37,685

 

 
37,685

Asset backed securities

 
84,475

 

 
84,475

Total investments
$
57,114

 
$
670,406

 
$

 
$
727,520

Restricted deposits available for sale:
 

 
 

 
 

 
 

Cash and cash equivalents
$
14,460

 
$

 
$

 
$
14,460

Certificates of deposit
5,890

 

 

 
5,890

U.S. Treasury securities and obligations of U.S. government corporations and agencies
14,443

 

 

 
14,443

Total restricted deposits
$
34,793

 
$

 
$

 
$
34,793

Other long-term assets: Interest rate swap contract
$

 
$
16,304

 
$

 
$
16,304

Total assets at fair value
$
935,859

 
$
686,710

 
$

 
$
1,622,569