Capital Stock Repurchase Plan Transactions (Tables)

6 Months Ended

Jun. 30, 2020

Capital Stock Repurchase Plan Transactions [Abstract]

Schedule Of Repurchased Capital Stock

	Three months ended June 30,				Six months ended June 30,
	2020		2019		2020		2019
Total cost of repurchased shares (in thousands)	$	21,914	$	22,676	$	122,148	$	71,926
Shares repurchased		50,000		69,009		275,000		219,009
Weighted average price per share	$	438.27	$	328.59	$	444.18	$	328.41