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Revenue Recognition - Product Type (Details) - Product Concentration Risk - Revenue from Contract with Customer Benchmark | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 100.00% | 100.00%
Fastening Systems |  |
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 21.00% | 22.80%
Cutting Tools and Abrasives |  |
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 14.90% | 13.30%
Fluid Power |  |
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 13.40% | 14.20%
Electrical |  |
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 10.60% | 10.80%
Specialty Chemicals |  |
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 9.70% | 11.20%
Aftermarket Automotive Supplies |  |
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 6.80% | 8.20%
Safety |  |
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 4.90% | 6.30%
Welding and Metal Repair |  |
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 1.70% | 1.40%
Other |  |
Disaggregation of Revenue [Line Items] |  |
Concentration risk (as a percent) | 17.00% | 11.80%

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