Stock Plans (Schedule of Restricted and Restricted Stock Units Activity) (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Number of Shares
Balance at beginning of year (in shares)	2,702,462
Granted (in shares)	1,206,601
Vested (in shares)	(556,399)
Forfeited (in shares)	(94,869)
Balance at end of year, (in shares)	3,257,795	2,702,462
Weighted-Average Grant Date Fair Value Per Share
Balance at beginning of year (USD per share)	$ 46.84
Granted (USD per share)	49.22	$ 45.22	$ 42.59
Vested (USD per share)	51.96
Forfeited (USD per share)	45.10
Balance at end of year (USD per share)	$ 46.90	$ 46.84