Revenue (Disaggregation Of Revenue) (Details) - Product Concentration Risk [Member] - Revenue from Contract with Customer [Member]	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total net sales	100.00%	100.00%	100.00%	100.00%
Construction
Disaggregation of Revenue [Line Items]
Total net sales	56.10%	59.10%	56.90%	58.70%
CIG
Disaggregation of Revenue [Line Items]
Total net sales	26.20%	25.50%	25.70%	25.70%
Industrial & Utility
Disaggregation of Revenue [Line Items]
Total net sales	17.70%	15.40%	17.40%	15.60%