Revenue (Disaggregation Of Revenue) (Details) - Product Concentration Risk [Member] - Revenue from Contract with Customer [Member]	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Total net sales	100.00%	100.00%	100.00%
Construction [Member]
Disaggregation of Revenue [Line Items]
Total net sales	58.40%	56.80%	58.50%
CIG [Member]
Disaggregation of Revenue [Line Items]
Total net sales	23.30%	26.00%	25.50%
Industrial & Utility [Member]
Disaggregation of Revenue [Line Items]
Total net sales	18.30%	17.20%	16.00%