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v3.21.2

Revenue Recognition - Product Type (Details) - Product Concentration Risk - Revenue from Contract with Customer Benchmark | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 100.00% | 100.00% | 100.00% | 100.00%
Fastening Systems |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 22.20% | 22.30% | 21.40% | 22.70%
Cutting Tools and Abrasives |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 15.00% | 12.20% | 14.80% | 13.10%
Fluid Power |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 13.00% | 12.60% | 13.20% | 13.20%
Specialty Chemicals |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 10.50% | 13.30% | 10.10% | 11.70%
Electrical |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 10.40% | 10.00% | 10.40% | 10.20%
Aftermarket Automotive Supplies |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 7.60% | 7.00% | 7.20% | 7.10%
Safety |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 5.10% | 7.00% | 5.00% | 6.40%
Welding and Metal Repair |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 1.40% | 1.40% | 1.60% | 1.40%
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Concentration risk (as a percent) | 14.80% | 14.20% | 16.30% | 14.20%

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