Revenue (Tables)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Our revenues related to the following geographic areas were as follows for the periods ended September 30:

	Nine-month Period			Three-month Period
	2019		2018	2019		2018
United States	$	3,479.7	3,226.0	$	1,182.0	1,104.9
All foreign countries	577.1		507.5	197.1		174.9
Total revenues	$	4,056.8	3,733.5	$	1,379.1	1,279.8

The percentages of our sales by end market were as follows for the periods ended September 30:

	Nine-month Period				Three-month Period
	2019		2018		2019		2018
Manufacturing	67.5	%	66.7	%	67.5	%	66.4	%
Non-residential construction	12.9	%	13.1	%	13.0	%	13.4	%
Other	19.6	%	20.2	%	19.5	%	20.2	%
	100.0	%	100.0	%	100.0	%	100.0	%

The percentages of our sales by product line were as follows for the periods ended September 30:

		Nine-month Period				Three-month Period
Type	Introduced	2019		2018		2019		2018
Fasteners(1)	1967	34.3	%	35.1	%	33.7	%	34.7	%
Tools	1993	10.0	%	10.1	%	10.2	%	10.1	%
Cutting tools	1996	5.8	%	5.7	%	5.7	%	5.7	%
Hydraulics & pneumatics	1996	6.9	%	6.9	%	6.8	%	6.7	%
Material handling	1996	5.9	%	5.8	%	5.9	%	5.7	%
Janitorial supplies	1996	7.7	%	7.6	%	8.0	%	7.8	%
Electrical supplies	1997	4.7	%	4.6	%	4.6	%	4.6	%
Welding supplies	1997	4.2	%	4.1	%	4.2	%	4.1	%
Safety supplies	1999	17.6	%	17.0	%	18.2	%	17.3	%
Other		2.9	%	3.1	%	2.7	%	3.3	%
		100.0	%	100.0	%	100.0	%	100.0	%

⁽¹⁾ The fasteners product line represents fasteners and miscellaneous supplies.