REVENUE (Tables)

6 Months Ended

Jun. 30, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenues

The following table presents the Company's percentage of revenue by reportable segment and by major customer industry:

	Three Months Ended June 30,
	2019						2018
	U.S.		Canada		Total Company (2)		U.S.		Canada		Total Company (2)
Government	19	%	6	%	14	%	19	%	5	%	14	%
Heavy Manufacturing	19	%	20	%	17	%	19	%	21	%	18	%
Light Manufacturing	13	%	6	%	11	%	13	%	6	%	11	%
Transportation	5	%	8	%	5	%	5	%	7	%	5	%
Commercial	17	%	9	%	13	%	16	%	10	%	13	%
Retail/Wholesale	8	%	4	%	7	%	8	%	4	%	7	%
Contractors	10	%	11	%	8	%	10	%	11	%	8	%
Natural Resources	3	%	32	%	4	%	3	%	33	%	4	%
Other (1)	6	%	4	%	21	%	7	%	3	%	20	%
Total net sales to external customers	100	%	100	%	100	%	100	%	100	%	100	%
Percent of Total Company Revenue	72	%	5	%	100	%	72	%	6	%	100	%

	Six Months Ended June 30,
	2019						2018
	U.S.		Canada		Total Company (2)		U.S.		Canada		Total Company (2)
Government	18	%	6	%	13	%	18	%	6	%	14	%
Heavy Manufacturing	19	%	21	%	18	%	20	%	20	%	18	%
Light Manufacturing	13	%	6	%	11	%	13	%	5	%	11	%
Transportation	6	%	8	%	5	%	5	%	8	%	5	%
Commercial	17	%	9	%	13	%	16	%	10	%	13	%
Retail/Wholesale	8	%	4	%	7	%	8	%	4	%	7	%
Contractors	10	%	10	%	8	%	10	%	12	%	8	%
Natural Resources	3	%	32	%	4	%	3	%	32	%	4	%
Other (1)	6	%	4	%	21	%	7	%	3	%	20	%
Total net sales to external customers	100	%	100	%	100	%	100	%	100	%	100	%
Percent of Total Company Revenue	72	%	5	%	100	%	72	%	6	%	100	%

(1) Other category primarily includes revenue from individual customers not aligned to major industry segment, including small businesses and consumers and intersegment net sales.

(2) Total Company includes other businesses, which include the Company's endless assortment businesses and operations in Europe, Asia and Latin America and account for approximately 23% of revenue for the three and six months ended June 30, 2019 and 22% of revenue for the three and six months ended June 30 2018.