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v3.10.0.1

REVENUE (Details) | 12 Months Ended
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Dec. 31, 2018
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 100.00%
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage Of Company-Wide Revenue | 100.00%
Government [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 14.00%
Heavy Manufacturing [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 18.00%
Light Manufacturing [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 11.00%
Transportation [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 5.00%
Commercial [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 13.00%
Retail/Wholesale [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 7.00%
Contractors [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 8.00%
Natural Resources [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 4.00%
Other [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 20.00%
Other businesses |
Disaggregation of Revenue [Line Items] |
Percentage Of Company-Wide Revenue | 22.00%
United States |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 100.00%
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage Of Company-Wide Revenue | 72.00%
United States | Government [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 18.00%
United States | Heavy Manufacturing [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 19.00%
United States | Light Manufacturing [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 13.00%
United States | Transportation [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 6.00%
United States | Commercial [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 16.00%
United States | Retail/Wholesale [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 8.00%
United States | Contractors [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 10.00%
United States | Natural Resources [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 3.00%
United States | Other [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 7.00%
Canada |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 100.00%
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage Of Company-Wide Revenue | 6.00%
Canada | Government [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 6.00%
Canada | Heavy Manufacturing [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 20.00%
Canada | Light Manufacturing [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 6.00%
Canada | Transportation [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 7.00%
Canada | Commercial [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 10.00%
Canada | Retail/Wholesale [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 4.00%
Canada | Contractors [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 11.00%
Canada | Natural Resources [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 32.00%
Canada | Other [Member] |
Disaggregation of Revenue [Line Items] |
Revenue From Contract With Customer, Excluding Assessed Tax, Percentage | 4.00%

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