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v3.20.2

Note 20 - Leases (Details Textual) $ in Millions | Jun. 30, 2020 USD ($)
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Lessee, Operating Lease, Lease Not yet Commenced, Payments | $ 0.3
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year) | 2 years

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- Definition The amount of lease payments for operating leases not yet commenced from the lessee. + References No definition available. + Details
Name: | sxi_LesseeOperatingLeaseLeaseNotYetCommencedPayments
Namespace Prefix: | sxi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLeaseNotYetCommencedTermOfContract1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant