XML 54 R43.htm IDEA: XBRL DOCUMENT v3.21.2
Share repurchase program (Details) - $ / shares
3 Months Ended
Sep. 30, 2021
Oct. 22, 2014
Equity [Abstract]    
Authorized to be repurchased (in shares)   35,000,000
Repurchased (in shares) 767,600  
Repurchased, average price (in USD per share) $ 300.07