XML 87 R60.htm IDEA: XBRL DOCUMENT v3.6.0.2

Income Taxes (Details 3)	12 Months Ended
	Dec. 30, 2016
Switzerland [Member]
Income Tax Examination, Year under Examination	2015
Maximum [Member] | US Federal [Member]
Income Tax Examination, Year under Examination	2015
Maximum [Member] | California [Member]
Income Tax Examination, Year under Examination	2015
Maximum [Member] | Japan [Member]
Income Tax Examination, Year under Examination	2015
Minimum [Member] | US Federal [Member]
Income Tax Examination, Year under Examination	2013
Minimum [Member] | California [Member]
Income Tax Examination, Year under Examination	2012
Minimum [Member] | Japan [Member]
Income Tax Examination, Year under Examination	2013

X

- Definition

Tax year being audited in the income tax examination, in CCYY format.

+ References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxExaminationYearUnderExamination
Namespace Prefix:	us-gaap_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementGeographicalAxis=staa_DefinedBenefitPlanSwitzerlandMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=staa_UsFederalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=staa_CaliforniaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementGeographicalAxis=staa_JapanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: