Revenue (Tables)

6 Months Ended

Jun. 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 June 30:

	Six-month Period			Three-month Period
	2019		2018	2019		2018
United States	$	2,297.7	2,121.1	$	1,172.9	1,092.6
All foreign countries	380.0		332.6	195.5		175.3
Total revenues	$	2,677.7	2,453.7	$	1,368.4	1,267.9

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

	Six-month Period				Three-month Period
	2019		2018		2019		2018
Manufacturing	67.5	%	66.8	%	67.3	%	66.6	%
Non-residential construction	12.9	%	12.9	%	13.2	%	13.2	%
Other	19.6	%	20.3	%	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 June 30:

		Six-month Period				Three-month Period
Type	Introduced	2019		2018		2019		2018
Fasteners(1)	1967	34.7	%	35.2	%	34.5	%	35.4	%
Tools	1993	9.9	%	10.0	%	9.8	%	9.9	%
Cutting tools	1996	5.8	%	5.7	%	5.8	%	5.6	%
Hydraulics & pneumatics	1996	6.9	%	6.9	%	6.8	%	6.9	%
Material handling	1996	5.9	%	5.8	%	5.9	%	5.9	%
Janitorial supplies	1996	7.6	%	7.5	%	7.7	%	7.6	%
Electrical supplies	1997	4.7	%	4.7	%	4.7	%	4.6	%
Welding supplies	1997	4.2	%	4.2	%	4.2	%	4.1	%
Safety supplies	1999	17.4	%	16.9	%	17.5	%	16.9	%
Other		2.9	%	3.1	%	3.1	%	3.1	%
		100.0	%	100.0	%	100.0	%	100.0	%

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