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Revenue Recognition Revenue Recognition (Details 2)	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	100.00%	100.00%	100.00%	100.00%
Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	27.80%	26.60%	28.00%	27.20%
Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	21.30%	21.70%	21.10%	20.90%
Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	19.70%	19.40%	19.90%	18.60%
General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	20.00%	20.40%	19.10%	21.10%
Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	11.20%	11.90%	11.90%	12.20%
Service Center Based Distribution Segment [Member]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	100.00%	100.00%	100.00%	100.00%
Service Center Based Distribution Segment [Member] | Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	37.20%	34.80%	37.40%	34.70%
Service Center Based Distribution Segment [Member] | Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	13.40%	13.30%	13.30%	13.30%
Service Center Based Distribution Segment [Member] | Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	28.90%	27.90%	28.90%	26.50%
Service Center Based Distribution Segment [Member] | General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	20.50%	24.00%	20.40%	25.50%
Service Center Based Distribution Segment [Member] | Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	0.00%	0.00%	0.00%	0.00%
Fluid Power & Flow Control Segment [Member]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	100.00%	100.00%	100.00%	100.00%
Fluid Power & Flow Control Segment [Member] | Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	7.70%	8.50%	7.80%	9.90%
Fluid Power & Flow Control Segment [Member] | Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	38.30%	40.50%	38.20%	38.40%
Fluid Power & Flow Control Segment [Member] | Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	0.20%	0.30%	0.40%	0.30%
Fluid Power & Flow Control Segment [Member] | General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	18.80%	12.20%	16.00%	11.10%
Fluid Power & Flow Control Segment [Member] | Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	35.00%	38.50%	37.60%	40.30%

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- Definition

Disaggregated Revenue by Product Line, Percent

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