Share repurchases Share Repurchases (Tables)

3 Months Ended

Mar. 31, 2022

Treasury Stock, Value [Abstract]

Class of Treasury Stock [Table Text Block]

The following table summarizes the Company's common stock repurchases during the three months ended March 31, 2022 and 2021:

	Three months ended March 31, 2022					Three months ended March 31, 2021
	Shares repurchased	Amount paid		Average paid per share		Shares repurchased	Amount paid		Average paid per share
Open market repurchases:	2,104	$	233,318	$	110.90	2,949	$	322,333	$	109.28