Revenue (Tables)

6 Months Ended

Jun. 30, 2020

Revenue

Disaggregation of revenue

	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Sales to do-it-yourself customers	$	1,853,115	$	1,434,146	$	3,198,597	$	2,771,175
Sales to professional service provider customers		1,175,030		1,113,485		2,245,229		2,152,266
Other sales and sales adjustments		63,450		42,243		124,256		77,041
Total sales	$	3,091,595	$	2,589,874	$	5,568,082	$	5,000,482