Revenue Recognition Revenue Recognition (Details 3)	3 Months Ended
	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	100.00%
Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	23.30%
Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	21.10%
General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	20.80%
Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	17.90%
Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	16.90%
Service Center Based Distribution Segment [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	100.00%
Service Center Based Distribution Segment [Member] | Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	32.80%
Service Center Based Distribution Segment [Member] | Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	14.00%
Service Center Based Distribution Segment [Member] | General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	27.60%
Service Center Based Distribution Segment [Member] | Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	25.60%
Service Center Based Distribution Segment [Member] | Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	0.00%
Fluid Power & Flow Control Segment [Member]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	100.00%
Fluid Power & Flow Control Segment [Member] | Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	1.50%
Fluid Power & Flow Control Segment [Member] | Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	37.60%
Fluid Power & Flow Control Segment [Member] | General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	4.70%
Fluid Power & Flow Control Segment [Member] | Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	0.00%
Fluid Power & Flow Control Segment [Member] | Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Table Text Block]	56.20%