XML 139 R60.htm IDEA: XBRL DOCUMENT v2.4.0.8
Subsequent Event Debt Issuance (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2013
Senior Notes [Member]
Jun. 30, 2013
Convertible Debt Issued in 2004 [Member]
Jun. 30, 2013
Convertible Debt Issued in 2010 [Member]
Jul. 16, 2013
Issuance of Debt [Member]
Senior Notes [Member]
Subsequent Event [Line Items]        
Debt Instrument, Face Amount       $ 400
Debt Instrument, Interest Rate, Stated Percentage 6.625% 5.25% 3.50%