Fair Value Measurements Fair Value Disclosure Narrative (Details) (USD $)			12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014 Maximum [Member]	Jun. 30, 2014 Minimum [Member]	May 01, 2013 Heron Acquisition [Member]	Jun. 30, 2014 Heron Acquisition [Member] Maximum [Member]	Jun. 30, 2014 Heron Acquisition [Member] Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable Securities Maturity Period			1 year	90 days
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High					$ 14,200,000	$ 14,200,000	$ 0
Long-term Debt, Fair Value	95,400,000
Marketable Securities, Current	$ 95,641,000	$ 130,137,000