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Income Taxes - Narrative (Details) - USD ($) | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
Operating loss carryforwards disclosures |  |  |
Blended U.S federal statutory rate | 28.10% | 35.00% | 35.00%
Tax Cuts and Jobs Act, provisional net benefit for re-measurement of deferred tax assets and liabilities | $ 78,900,000 |  |
Reduction in valuation allowance amount | 5,400,000 |  |
Amount of future tax benefits | 3,000,000 |  |
Undistributed earnings of foreign subsidiaries | 93,800,000 |  |
Tax Cuts and Jobs Act of 2017, tax expense for transition tax | 5,000,000 |  |
Unrecognized tax benefits | 0 | $ 0 | $ 0
State |  |  |
Operating loss carryforwards disclosures |  |  |
Net operating loss carryforwards expiring between 2019 and 2037 | $ 339,900,000 |  |

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- Definition Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 + Details
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