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REVENUE - Disaggregation of Revenues (Details)	3 Months Ended
	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Total net sales	100.00%
Percent of Total Company Revenue	100.00%
Government [Member]
Disaggregation of Revenue [Line Items]
Total net sales	13.00%
Heavy Manufacturing [Member]
Disaggregation of Revenue [Line Items]
Total net sales	19.00%
Light Manufacturing [Member]
Disaggregation of Revenue [Line Items]
Total net sales	11.00%
Transportation [Member]
Disaggregation of Revenue [Line Items]
Total net sales	5.00%
Commercial [Member]
Disaggregation of Revenue [Line Items]
Total net sales	13.00%
Retail/Wholesale [Member]
Disaggregation of Revenue [Line Items]
Total net sales	7.00%
Contractors [Member]
Disaggregation of Revenue [Line Items]
Total net sales	8.00%
Natural Resources [Member]
Disaggregation of Revenue [Line Items]
Total net sales	4.00%
Other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	20.00%
United States [Member]
Disaggregation of Revenue [Line Items]
Total net sales	100.00%
Percent of Total Company Revenue	72.00%
United States [Member] | Government [Member]
Disaggregation of Revenue [Line Items]
Total net sales	17.00%
United States [Member] | Heavy Manufacturing [Member]
Disaggregation of Revenue [Line Items]
Total net sales	20.00%
United States [Member] | Light Manufacturing [Member]
Disaggregation of Revenue [Line Items]
Total net sales	13.00%
United States [Member] | Transportation [Member]
Disaggregation of Revenue [Line Items]
Total net sales	5.00%
United States [Member] | Commercial [Member]
Disaggregation of Revenue [Line Items]
Total net sales	16.00%
United States [Member] | Retail/Wholesale [Member]
Disaggregation of Revenue [Line Items]
Total net sales	8.00%
United States [Member] | Contractors [Member]
Disaggregation of Revenue [Line Items]
Total net sales	10.00%
United States [Member] | Natural Resources [Member]
Disaggregation of Revenue [Line Items]
Total net sales	3.00%
United States [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	8.00%
Canada [Member]
Disaggregation of Revenue [Line Items]
Total net sales	100.00%
Percent of Total Company Revenue	7.00%
Canada [Member] | Government [Member]
Disaggregation of Revenue [Line Items]
Total net sales	7.00%
Canada [Member] | Heavy Manufacturing [Member]
Disaggregation of Revenue [Line Items]
Total net sales	20.00%
Canada [Member] | Light Manufacturing [Member]
Disaggregation of Revenue [Line Items]
Total net sales	5.00%
Canada [Member] | Transportation [Member]
Disaggregation of Revenue [Line Items]
Total net sales	8.00%
Canada [Member] | Commercial [Member]
Disaggregation of Revenue [Line Items]
Total net sales	10.00%
Canada [Member] | Retail/Wholesale [Member]
Disaggregation of Revenue [Line Items]
Total net sales	4.00%
Canada [Member] | Contractors [Member]
Disaggregation of Revenue [Line Items]
Total net sales	12.00%
Canada [Member] | Natural Resources [Member]
Disaggregation of Revenue [Line Items]
Total net sales	31.00%
Canada [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	3.00%
Other Segments [Member]
Disaggregation of Revenue [Line Items]
Percent of Total Company Revenue	20.00%

X

- Definition

Percentage Of Company-Wide Revenue

+ References

No definition available.

+ Details

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X

- Definition

Revenue From Contract With Customer, Excluding Assessed Tax, Percentage

+ References

No definition available.

+ Details

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X

- Definition

Revenue From Contract With Customer, Excluding Assessed Tax, Percentage Of Company-Wide Revenue

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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