Income Taxes - Interest and Penalties Related to Liabilities for Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Abstract]
Interest expense	$ 13,028	$ 6,534	$ 4,451
Penalties expense (recoveries)	438	(2,761)	(2,032)
Total	$ 13,466	$ 3,773	$ 2,419

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- Definition

Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319

+ Details

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- Definition

Amount of expense for penalties related to a tax position claimed or expected to be claimed in the tax return.

+ References

+ Details

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- Definition

Amount of interest expense for an underpayment of income taxes.

+ References

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