Consolidated Statement of Shareholders' Equity (Parenthetical) $ in Thousands	12 Months Ended
Jun. 30, 2018 USD ($)
Statement of Stockholders' Equity [Abstract]
Equity portion of convertible debt, net, issuance costs	$ 1,694
Pension adjustment tax	$ 763

Amount, after reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income of defined benefit plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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