Revenue (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Our revenues related to the following geographic areas were as follows for the periods ended December 31:

	Twelve-month period
	2021		2020	2019
United States	$	5,033.3	4,825.3	4,568.9
Canada and Mexico	749.0		625.0	606.8
North America	5,782.3		5,450.3	5,175.7
All other foreign countries	228.6		197.0	158.0
Total revenues	$	6,010.9	5,647.3	5,333.7

The percentages of our sales by end market were as follows for the periods ended December 31:

	Twelve-month period
	2021		2020		2019
Manufacturing	68.9	%	62.4	%	67.5	%
Non-residential construction	11.1	%	11.3	%	12.9	%
Other	20.0	%	26.3	%	19.6	%
	100.0	%	100.0	%	100.0	%

The percentages of our sales by product line were as follows for the periods ended December 31:

		Twelve-month Period
Type	Introduced	2021		2020		2019
Fasteners (1)	1967	33.3	%	29.9	%	34.2	%
Tools	1993	8.5	%	8.2	%	9.9	%
Cutting tools	1996	5.0	%	4.7	%	5.7	%
Hydraulics & pneumatics	1996	6.4	%	5.9	%	6.8	%
Material handling	1996	5.6	%	5.1	%	5.9	%
Janitorial supplies	1996	8.2	%	9.8	%	7.8	%
Electrical supplies	1997	4.3	%	4.1	%	4.7	%
Welding supplies	1997	3.8	%	3.5	%	4.2	%
Safety supplies	1999	21.2	%	25.5	%	17.9	%
Other		3.7	%	3.3	%	2.9	%
		100.0	%	100.0	%	100.0	%

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