Quarterly report pursuant to Section 13 or 15(d)

Debt - Senior Notes (Details)

v3.20.1
Debt - Senior Notes (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 29, 2020
Jan. 31, 2020
Oct. 31, 2019
Oct. 31, 2014
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2014
Mar. 31, 2020
Mar. 31, 2019
Jun. 30, 2019
Jun. 30, 2018
Nov. 30, 2014
Debt Instrument                          
Redemption and repayment of debt                 $ 996,033,000 $ 902,474,000      
Loss on extinguishment of debt         $ 22,538,000   $ 0   22,538,000 0      
Fair value of derivative contract         19,333,000   1,379,000   17,785,000 6,567,000      
Unamortized discount         8,375,000       $ 8,375,000   $ 8,738,000    
Treasury lock | Derivatives designated as hedging instruments | Cash flow hedge contracts - foreign currency | Fixed-rate 3.300% Senior Notes due on March 1, 2050 | Senior notes                          
Debt Instrument                          
Term of contract   30 years                      
Derivative, notional amount   $ 350,000,000.0                      
Fair value of derivative contract         21,500,000                
Treasury lock | Derivatives designated as hedging instruments | Cash flow hedge contracts - foreign currency | 2018 Rate lock agreements | Senior notes                          
Debt Instrument                          
Derivative, notional amount                       $ 500,000,000.0  
Fair value of derivative contract             13,600,000            
Treasury lock | Derivatives designated as hedging instruments | Cash flow hedge contracts - foreign currency | Portion of senior notes | Senior notes                          
Debt Instrument                          
Term of contract       10 years                  
Derivative, notional amount       $ 1,000,000,000.00                  
Fair value of derivative contract               $ (7,500,000)          
Senior notes                          
Debt Instrument                          
Face amount             1,200,000,000     1,200,000,000     $ 2,500,000,000
Redemption and repayment of debt     $ 250,000,000.0                    
Unamortized discount             $ 6,700,000     $ 6,700,000     $ 4,000,000.0
Redemption price                 101.00%        
Fair value disclosure         $ 3,680,000,000       $ 3,680,000,000   $ 3,700,000,000    
Senior notes | Fixed-rate 3.300% Senior Notes due on March 1, 2050                          
Debt Instrument                          
Face amount $ 750,000,000.0                        
Stated interest rate 3.30%       3.30%       3.30%        
Unamortized discount $ 300,000                        
Senior notes | Fixed-rate 4.125% Senior Notes due on November 1, 2021                          
Debt Instrument                          
Redemption and repayment of debt 500,000,000.0                        
Loss on extinguishment of debt         $ 22,500,000                
Stated interest rate                     4.125%    
Revolving credit facility | Line of credit                          
Debt Instrument                          
Redemption and repayment of debt $ 200,000,000.0       $ 200,000,000.0 $ 25,000,000.0