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Revenue Recognition - Product Type (Details) - Product Concentration Risk - Revenue from Contract with Customer Benchmark	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 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)	21.10%	23.80%	21.00%	23.30%
Cutting Tools and Abrasives
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	14.50%	12.50%	14.70%	12.90%
Fluid Power
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	13.20%	13.20%	13.30%	13.80%
Electrical
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	10.20%	10.00%	10.40%	10.40%
Specialty Chemicals
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	10.10%	12.80%	9.90%	11.90%
Aftermarket Automotive Supplies
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	7.10%	6.00%	6.90%	7.20%
Safety
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	5.00%	6.10%	4.90%	6.20%
Welding and Metal Repair
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	1.60%	1.50%	1.60%	1.50%
Other
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)	17.20%	14.10%	17.30%	12.80%

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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