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Long Term Debt and Other Borrowings - Convertible Senior Notes Narrative (Details) - Convertible debt - USD ($)
shares in Millions
1 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 24, 2018
Sep. 23, 2018
May 31, 2011
Debt Instrument [Line Items]        
Principal amount   $ 751,300,000    
1.25% Notes due 2018        
Debt Instrument [Line Items]        
Principal amount       $ 450,000,000
Interest rate percentage   1.25%   1.25%
Common Stock issued in settlement of conversion (shares)   4.8    
Effect of bond hedge, cash in lieu of shares (shares)   4.8    
2.625% Notes due 2041        
Debt Instrument [Line Items]        
Principal amount $ 700,000,000      
Interest rate percentage 2.625% 2.625%    
Maximum amount of contingent interest rate 0.60%      
2.625% Notes due 2041 | Conversion 2041 Notes | Subsequent event        
Debt Instrument [Line Items]        
Principal amount     $ 79,400,000