Income Taxes Narrative (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Operating Loss Carryforwards, Expiration Date	2014 to 2034
Deferred Tax Assets, Valuation Allowance	$ 700	$ 700
Income Taxes Paid	83,014	54,815	44,962
Unrecognized Tax Benefits	7,834	4,890	6,202
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	5,366
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	1,315	597
Expiration of statutes of limitations impact on UTB balance, minimum	1,700
Expiration of statutes of limitations impact on UTB balance, maximum	2,300
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards	8,761
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	$ 1,705