Capital Stock Transactions (Tables)

12 Months Ended

Dec. 31, 2019

Capital Stock Transactions [Abstract]

Schedule Of Repurchased Capital Stock

		For the Years Ended December 31,
		2019		2018		2017
Total cost of repurchased shares (in thousands):	$	92,631	$	158,884	$	94,640
Shares repurchased		269,009		561,146		500,000
Weighted average price per share	$	344.34	$	283.14	$	189.28