Note 3. Recent Accounting Pronouncements and Supplemental Information - Textuals (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Accounts Receivable, Customary Payment Terms			30 days
Accounts Receivable, Days Beyond Which Terms Are Considered Extended Payment Terms			30 days
Effective Income Tax Rate Reconciliation, Percent	36.60%	101.50%	37.40%	56.00%
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount		$ 0.4		$ 0.4