XML 16 R39.htm IDEA: XBRL DOCUMENT v2.4.0.8
DEBT (Tables)
 12 Months Ended
Dec. 31, 2013
Debt Disclosure [Abstract]  
Schedule of convertible debt
Convertible debt as of December 31, 2013 consisted of the following (in thousands):
 
December 31, 2013
 
Outstanding
Principal
Amount
 
Unamortized
Debt
Discount
 
Carrying
Value
1.25% Convertible Senior Notes due March 2015
 
$
160,464

 
$
(8,533
)
 
$
151,931

1.0% Convertible Senior Notes due March 2018
 
1,000,000

 
(96,797
)
 
903,203

0.35% Convertible Senior Notes due June 2020
 
1,000,000

 
(161,156
)
 
838,844

Outstanding convertible debt
 
$
2,160,464

 
$
(266,486
)
 
$
1,893,978

 
Convertible debt as of December 31, 2012 consisted of the following (in thousands):
 
December 31, 2012
 
Outstanding
Principal
Amount
 
Unamortized
Debt
Discount
 
Carrying
Value
1.25% Convertible Senior Notes due March 2015
 
$
574,999

 
$
(54,655
)
 
$
520,344

1.0% Convertible Senior Notes due March 2018
 
1,000,000

 
(118,004
)
 
881,996

Outstanding convertible debt
 
$
1,574,999

 
$
(172,659
)
 
$
1,402,340