Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Revenue [Abstract]

Disaggregation of Revenue

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Construction	59.1	%	58.4	%	58.7	%	58.1	%
CIG	25.5		27.0		25.7		26.9
Industrial & Utility	15.4		14.6		15.6		15.0
Total net sales	100.0	%	100.0	%	100.0	%	100.0	%