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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Jun. 30, 2016
Income Tax Contingency [Line Items] |  |  |
Effective income tax rate | 26.30% | 17.10% |
U.S. statutory rate | 35.00% |  |
Unrecognized tax benefits that would impact effective tax rate | $ 6.6 |  | $ 5.6
Interest and penalties accrued | 0.2 |  | $ 0.1
Liability for uncertain tax positions that would impact the effective tax rate if recognized | $ 0.5 |  |
United States Internal Revenue Service | Earliest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2014 |  |
United States Internal Revenue Service | Latest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2017 |  |
State Jurisdictions | Earliest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2012 |  |
State Jurisdictions | Latest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2017 |  |
Foreign Taxing Jurisdictions | Earliest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2006 |  |
Foreign Taxing Jurisdictions | Latest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2017 |  |

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319 + Details
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- Definition Amount recognized for uncertainty in income taxes classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount accrued 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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