OTHER ASSETS

Other assets at September 30, 2013 and December 31, 2012 consisted of the following (in thousands):



	September 30, 2013		December 31, 2012
Deferred debt issuance costs	$	20,011	$	23,523
Other	15,947		12,305
Total	$	35,958	$	35,828

Deferred debt issuance costs arose from (i) the $1.0 billion aggregate principal amount of 1.0% Convertible Senior Notes, due March 15, 2018, issued in March 2012; (ii) a $1.0 billion revolving credit facility entered into in October 2011; (iii) the Company's issuance, in March 2010, of the $575.0 million aggregate principal amount of 1.25% Convertible Senior Notes, due March 15, 2015, and (iv) the $1.0 billion aggregate principal amount of 0.35% Convertible Senior Notes, due June 15, 2020, issued in May 2013. Deferred debt issuance costs are being amortized using the effective interest rate method and the period of amortization was determined at inception of the related debt agreements based upon the stated maturity dates.