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Long-term Debt (Details) $ in Millions | 3 Months Ended
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Dec. 31, 2016 USD ($)
Mortgage Note |
Debt Instrument [Line Items] |
Long-term debt | $ 6.5
Interest rate | 4.11%
Federal Home Loan Board Five Year Classic Advance Rate | Mortgage Note |
Debt Instrument [Line Items] |
Basis spread on variable rate | 240.00%
SoLayTec, B.V. |
Debt Instrument [Line Items] |
Long-term debt | $ 3.6
Proceeds from issuance of debt, less than | $ 0.1
SoLayTec, B.V. | Minimum |
Debt Instrument [Line Items] |
Interest rate | 4.50%
SoLayTec, B.V. | Maximum |
Debt Instrument [Line Items] |
Interest rate | 12.50%

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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. 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 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 2: 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 + Details
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