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Revenue Recognition Revenue Recognition (Details 1) | 12 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019
General Industry [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 36.80% | 36.30%
Industrial Machinery [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 14.30% | 13.80%
Metals [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 9.90% | 11.60%
Food [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 9.40% | 8.30%
Forest Products [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 7.60% | 6.60%
Chem/Petrochem [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 6.40% | 6.30%
Oil & Gas [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 5.70% | 7.80%
Cement & Aggregate [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 5.40% | 5.00%
Transportation [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 4.50% | 4.30%
Total |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 100.00% | 100.00%
Service Center Based Distribution Segment [Member] | General Industry [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 35.00% | 33.70%
Service Center Based Distribution Segment [Member] | Industrial Machinery [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 9.70% | 10.40%
Service Center Based Distribution Segment [Member] | Metals [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 11.10% | 12.60%
Service Center Based Distribution Segment [Member] | Food [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 12.20% | 10.60%
Service Center Based Distribution Segment [Member] | Forest Products [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 9.30% | 8.00%
Service Center Based Distribution Segment [Member] | Chem/Petrochem [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 3.30% | 3.10%
Service Center Based Distribution Segment [Member] | Oil & Gas [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 7.50% | 10.10%
Service Center Based Distribution Segment [Member] | Cement & Aggregate [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 7.30% | 6.70%
Service Center Based Distribution Segment [Member] | Transportation [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 4.60% | 4.80%
Service Center Based Distribution Segment [Member] | Total |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 100.00% | 100.00%
Fluid Power & Flow Control Segment [Member] | General Industry [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 41.20% | 43.00%
Fluid Power & Flow Control Segment [Member] | Industrial Machinery [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 24.40% | 21.80%
Fluid Power & Flow Control Segment [Member] | Metals [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 7.20% | 9.40%
Fluid Power & Flow Control Segment [Member] | Food [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 3.10% | 2.70%
Fluid Power & Flow Control Segment [Member] | Forest Products [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 3.70% | 3.10%
Fluid Power & Flow Control Segment [Member] | Chem/Petrochem [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 13.40% | 13.80%
Fluid Power & Flow Control Segment [Member] | Oil & Gas [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 1.60% | 2.10%
Fluid Power & Flow Control Segment [Member] | Cement & Aggregate [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 1.00% | 1.00%
Fluid Power & Flow Control Segment [Member] | Transportation [Domain] |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 4.40% | 3.10%
Fluid Power & Flow Control Segment [Member] | Total |  |
Disaggregation of Revenue [Line Items] |  |
Disaggregated Revenue by Customer Industry, Percent | 100.00% | 100.00%

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