Revenue (Tables)

6 Months Ended

Jun. 30, 2020

Revenue [Abstract]

Disaggregation of Revenue

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Construction	58.0	%	58.5	%	57.9	%	58.3	%
CIG	27.2		26.6		26.9		26.4
Industrial & Utility	14.8		14.9		15.2		15.3
Total net sales	100.0	%	100.0	%	100.0	%	100.0	%