Note 1. Business Description and Summary of Significant Accounting Policies - Summary of Concentration Risk (Details) - Customer Concentration Risk	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Philips | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk, Percentage	13.00%	14.00%
ZF | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk, Percentage	15.00%	12.00%
ZF | Accounts Receivable
Concentration Risk [Line Items]
Concentration Risk, Percentage	17.00%	17.00%
Nexteer Automotive | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk, Percentage	13.00%	12.00%
Nexteer Automotive | Accounts Receivable
Concentration Risk [Line Items]
Concentration Risk, Percentage	16.00%	13.00%
Regal Beloit Corporation | Accounts Receivable
Concentration Risk [Line Items]
Concentration Risk, Percentage	11.00%	11.00%