XML 75 R61.htm IDEA: XBRL DOCUMENT v3.20.2
Shareholders' Equity - Additional Information (Detail) - USD ($)
$ / shares in Units, shares in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Feb. 25, 2020
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2014
Dec. 31, 2019
May 08, 2018
Stockholders Equity Note Disclosure [Line Items]                    
Share repurchases (in shares)           3.0        
Payments for Repurchase of Common Stock           $ 115,200,000 $ 150,000,000.0      
Cash dividends declared per ordinary share $ 0.19 $ 0.18 $ 0.19 $ 0.18 $ 0.18          
Dividends payable   $ 31,500,000       31,500,000     $ 32,000,000.0  
May 2018 Share Repurchase Program [Member]                    
Stockholders Equity Note Disclosure [Line Items]                    
Repurchase of shares of our common stock up to a maximum aggregate value                   $ 750,000,000.0
Common stock authorized for repurchase, expiration date               May 31, 2021    
Share repurchases (in shares)     3.0              
December 2014 Share Repurchase Program                    
Stockholders Equity Note Disclosure [Line Items]                    
Share repurchase program remaining available amount   $ 134,700,000       $ 134,700,000