Basis of Presentation Change in Accounting Principle (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Payments Related to Tax Withholding for Share-based Compensation			$ 3,373	$ 937
Deferred Finance Costs, Current, Net	$ 105		105
Deferred Finance Costs, Noncurrent, Net	321		321
Adjustments for New Accounting Principle, Early Adoption [Member]
Excess Tax Benefit from Share-based Compensation, Operating Activities	1,264		1,982
Payments Related to Tax Withholding for Share-based Compensation				937
Adjustments for New Accounting Pronouncement [Member]
Deferred Finance Costs, Current, Net					$ 105
Deferred Finance Costs, Noncurrent, Net					$ 399
Defined Benefit Plan, Other Costs	$ 201	$ 242	$ 602	$ 724