Revenue Recognition Revenue Recognition (Details 4)	12 Months Ended
	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	100.00%
Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	24.40%
Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	21.10%
Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	19.50%
General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	19.30%
Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	15.70%
Service Center Based Distribution Segment [Member]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	100.00%
Service Center Based Distribution Segment [Member] | Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	33.90%
Service Center Based Distribution Segment [Member] | Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	13.50%
Service Center Based Distribution Segment [Member] | Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	27.50%
Service Center Based Distribution Segment [Member] | General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	25.10%
Service Center Based Distribution Segment [Member] | Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	0.00%
Fluid Power & Flow Control Segment [Member]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	100.00%
Fluid Power & Flow Control Segment [Member] | Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	1.60%
Fluid Power & Flow Control Segment [Member] | Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	39.40%
Fluid Power & Flow Control Segment [Member] | Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	0.30%
Fluid Power & Flow Control Segment [Member] | General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	5.30%
Fluid Power & Flow Control Segment [Member] | Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	53.40%