Stock Benefit Plans (The Status Of Stock Option Awards) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) $ / shares shares
Shares
Beginning balance (in shares) | shares	7,217,125
Granted (in shares) | shares	1,026,615
Exercised (in shares) | shares	(648,016)
Forfeited (in shares) | shares	(62,679)
Ending balance (in shares) | shares	7,533,045
Options vested or expected to vest (in shares) | shares	7,458,604
Options exercisable (in shares) | shares	4,634,039
Weighted Average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 90.17
Granted (in dollars per share) | $ / shares	151.37
Exercised (in dollars per share) | $ / shares	77.37
Forfeited (in dollars per share) | $ / shares	141.68
Ending balance (in dollars per share) | $ / shares	99.18
Options vested or expected to vest (in dollars per share) | $ / shares	98.96
Options exercisable (in dollars per share) | $ / shares	$ 82.46
Weighted Average Remaining Contractual Term
Ending balance (term)	5 years 10 months 24 days
Options vested or expected to vest (term)	6 years 1 month 6 days
Options exercisable (term)	4 years 8 months 12 days
Aggregate Intrinsic Value
Ending balance | $	$ 494,391
Options vested or expected to vest | $	491,121
Options exercisable | $	$ 381,622