Income Taxes (Details) (USD $)	Mar. 31, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Prepaid taxes	$ 10,300,000	$ 9,700,000
Gross tax contingency reserve	1,000,000
Accrued tax liabilities included in the gross tax contingency reserve	600,000
Accrued interest and penalties included in the gross tax contingency reserve	400,000
Gross tax contingency reserve, classified as current liabilities	0
Gross tax contingency reserve, classified as noncurrent liabilities	$ 1,000,000