Income Taxes Effective Tax Rate Reconciliation (Details)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Computed expected tax expense	35.00%	35.00%	35.00%
State income taxes, net of federal income tax benefits	2.90%	2.30%	2.20%
Research and development credit	(0.70%)	(3.30%)	(1.80%)
Domestic production activities deduction	(2.10%)	(2.20%)	(2.10%)
Other reconciling items (net)	(0.30%)	(0.20%)	(0.20%)
Effective Income Tax Rate Continuing Operations, percent	35.40%	32.00%	33.10%