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Other Fair Value Information
3 Months Ended
Mar. 31, 2017
Other Fair Value Information [Abstract]  
Other Fair Value Information
Other Fair Value Information

The carrying amounts and estimated fair values of our principal financial instruments that are not recognized at fair value on a recurring basis are as follows (in thousands):
 
March 31, 2017
 
December 31, 2016
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Receivables:
 
 
 
 
 
 
 
Notes and loans receivable (1)
$
970,810

 
$
963,311

 
$
962,938

 
$
958,377

 
 
 
 
 
 
 
 
Financial Liabilities:
 

 
 

 
 

 
 

Short-term borrowings (2)
$
422,924

 
$
422,924

 
$
525,842

 
$
525,842

Long-term debt (2)
$
7,888,362

 
$
8,133,128

 
$
7,131,587

 
$
7,221,459


(1)
Notes and loans receivable:  The fair values are primarily measured using Level 2 and 3 inputs principally based on discounted future cash flows using market interest rates for similar instruments.
(2)
Short-term borrowings and long-term debt:  The fair values of short-term borrowings are estimated to be the carrying amount.  The fair values of non-variable rate debt are estimated using quoted prices and estimated rates that would be available for debt with similar terms.  The fair value of variable rate debt is estimated to be the carrying amount.