Stock Award Plans, Employee Plan Stock Option Activity (Details) - Employee Stock Award Plan [Member]	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Stock Options [Member]
Stock Award Plan Information [Abstract]
Term of grant	7 years
Vesting period	3 years
Outstanding Non-Qualified or Nonincentive Stock Awards [Roll Forward]
Outstanding at Period Start (in shares)	537,767
Exercised (in shares)	(47,436)
Forfeited or expired (in shares)	(94,166)
Outstanding at Period End (in shares)	396,165
Weighted Average Exercise Price [Abstract]
Outstanding at Period Start (in dollars per share) | $ / shares	$ 70.66
Exercised (in dollars per share) | $ / shares	68.09
Expired (in dollars per share) | $ / shares	74.50
Outstanding at Period End (in dollars per share) | $ / shares	$ 70.06
Stock Appreciation Rights [Member]
Outstanding Non-Qualified or Nonincentive Stock Awards [Roll Forward]
Outstanding at Period End (in shares)	0
RSUs [Member]
Stock Award Plan Information [Abstract]
Vesting period	5 years