Revenue (Tables)

9 Months Ended

Sep. 30, 2020

Revenue [Abstract]

Disaggregation of Revenue

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Construction	58.5	%	59.1	%	58.1	%	58.6	%
CIG	26.9		26.4		26.9		26.4
Industrial & Utility	14.6		14.5		15.0		15.0
Total net sales	100.0	%	100.0	%	100.0	%	100.0	%