XML 110 R88.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Geographic and Product Data (Details Textual) | 12 Months Ended
--- | ---
Dec. 29, 2017
Geographic and Product Data [Line Items] |
Disclosure on Geographic Areas, Description of Revenue from External Customers | The Company markets and sells its products in more than 75 countries and conducts its manufacturing in the United States. Other than the Japan, China, the United States, and Korea, the Company does not conduct business in any country in which its sales in that country exceed 10% of consolidated net sales. Sales are attributed to countries based on location of customers.
Segment Sales To Consolidated Sales Percentage | 100.00%
Number of Countries in which Entity Operates | 75
Sales Exceed Percentage | 10.00%

X
- Definition Line items represents the geographic and product data. + References No definition available. + Details
Name: | staa_GeographicAndProductDataLineItems
Namespace Prefix: | staa_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition It represent sales exceed percentage. + References No definition available. + Details
Name: | staa_SalesExceedPercentage
Namespace Prefix: | staa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of segment sales to consolidated sales percentage. + References No definition available. + Details
Name: | staa_SegmentSalesToConsolidatedSalesPercentage
Namespace Prefix: | staa_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Disclosure about revenues from external customers (1) attributed to the entity's country of domicile and (2) attributed to all foreign countries in total from which the entity derives revenues. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 + Details
Name: | us-gaap_EntityWideDisclosureOnGeographicAreasDescriptionOfRevenueFromExternalCustomers
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of countries in which the entity operates as of balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant