XML 51 R39.htm IDEA: XBRL DOCUMENT v3.5.0.2
Debt (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
9 Months Ended
Sep. 30, 2016
Oct. 31, 2011
Credit Agreement 2016    
Debt    
Maximum borrowing capacity $ 1,000.0  
Period of extension in maturity 1 year  
Convertible Notes Due 2016    
Debt    
Debt aggregate principal value   $ 250.0
Stated percentage rate   1.00%
Sale of warrant    
Share warrant, number of shares 5.2  
Share warrant, strike price (in dollars per share) $ 67.56