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Geographic and Product Data (Details Textual) | 12 Months Ended
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Jan. 03, 2014
Geographic and Product Data [Line Items] |
Disclosure on Geographic Areas, Description of Revenue from External Customers | The Company markets and sells its products in approximately 60 countries and has manufacturing sites in the United States and Switzerland. Other than the United States, Japan, Korea, China, and Spain, the Company does not conduct business in any country in which its sales in that country exceed 5% of consolidated sales. Sales are attributed to countries based on location of customers.100% of the Company’s sales are generated from the ophthalmic surgical product segment and, therefore, the Company operates as one operating segment for financial reporting purposes.

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- 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=6534315&loc=d3e9038-108599 + Details
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