Revenue

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Revenue

Note 2. Revenue

Disaggregation of Revenue

The accounting policies of the operations in the various geographic areas are the same as those described in the summary of significant accounting policies. Revenues are attributed to countries based on the selling location from which the sale occurred. During 2021, no single customer represented 5% or more of our consolidated net sales. During 2020, we had a single customer that represented 5% of our consolidated net sales, whereas all remaining customers fell below that threshold. During 2019, no single customer represented 5% or more of our consolidated net sales.

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.