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Components of Debt (Detail) - USD ($) $ in Thousands | Jun. 30, 2017 | Jun. 30, 2016
--- | --- | ---
Line Of Credit Facility [Line Items] |  |
Total debt | $ 343,513 | $ 235,917
Current portion of long-term debt | (20,000) | (20,000)
Unamortized debt issuance costs | (1,491) | (610)
Long-term debt, less current portion | 322,022 | 215,307
Line of credit |  |
Line Of Credit Facility [Line Items] |  |
Total debt | 252,000 | 188,000
Term Loans |  |
Line Of Credit Facility [Line Items] |  |
Total debt | 85,000 | 45,000
Yen denominated line of credit |  |
Line Of Credit Facility [Line Items] |  |
Total debt | 2,679 | $ 2,917
Note payable |  |
Line Of Credit Facility [Line Items] |  |
Total debt | 3,834 |
Note payable | IPI |  |
Line Of Credit Facility [Line Items] |  |
Total debt | $ 3,834 |

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- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 + Details
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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