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CONCENTRATION OF RISK: (Tables) | 12 Months Ended
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Dec. 31, 2013
CONCENTRATION OF RISK: |
Schedule of concentration risk for cash equivalents invested | At December 31, 2013, SCC had invested its cash and cash equivalents as follows:
|  |  |  | % of total |  | % in one institution |
Country |  | $ in million |  | cash (1) |  | of country |  | of total cash |
United States |  | $ | 1,020.0 |  | 54.2 | % | 45.8 | % | 24.9 | %
Peru |  | 94.0 |  | 5.0 | % | 73.7 | % | 3.7 | %
Mexico |  | 147.1 |  | 7.8 | % | 95.1 | % | 7.4 | %
Switzerland |  | 619.9 |  | 33.0 | % | 100.0 | % | 33.0 | %
Total cash and short-term investment |  | $ | 1,881.0 |  | 100.0 | % |  |  |  |
(1) 98.7% of the Company’s cash is in U.S. dollars.
Schedule of company's largest customers as percentage of accounts receivable and total sales |
|  | 2013 |  | 2012 |  | 2011 |
Accounts receivable trade as of December 31, |  |  |  |  |  |  |
Five largest customers |  | 37.1 | % | 40.0 | % | 35.9 | %
Largest customer |  | 12.2 | % | 10.4 | % | 10.8 | %
Total sales in year |  |  |  |  |  |  |
Five largest customers |  | 28.7 | % | 28.8 | % | 28.7 | %
Largest customer |  | 8.4 | % | 7.4 | % | 7.3 | %

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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6442-108592 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 21, 22, 23, 24, 25 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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