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CONCENTRATION OF RISK: (Tables)
 12 Months Ended
Dec. 31, 2015
CONCENTRATION OF RISK:  
Schedule of concentration risk for cash equivalents and short- term investments

 

At December 31, 2015, SCC had invested its cash and cash equivalents and short-term investments as follows:

 

 

 

 

 

% of total

 

% in one institution

 

Country

 

$ in million

 

cash (1)

 

of country

 

of total cash

 

United States

 

$
373.8 

 
42.6 

%
55.6 

%
23.7 

%

Switzerland

 
491.0 

 
55.9 

%
100.0 

%
55.9 

%

Peru

 
6.2 

 
0.7 

%
29.4 

%
0.2 

%

Mexico

 
6.9 

 
0.8 

%
10.3 

%
0.1 

%

 

 

 

 

 

 

 

 

 

 

Total cash and short-term investment

 

$
877.9 

 
100.0 

%

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1)

98.9% of the Company’s cash is in U.S. dollars.

 

Schedule of company's largest customers as percentage of accounts receivable and total sales

 

 

 

2015

 

2014

 

2013

 

Accounts receivable trade as of December 31,

 

 

 

 

 

 

 

Five largest customers

 
32.4 

%
31.2 

%
37.1 

%

Largest customer

 
10.9 

%
8.0 

%
12.2 

%

 

 

 

 

 

 

 

 

Total sales in year

 

 

 

 

 

 

 

Five largest customers

 
28.0 

%
34.3 

%
28.7 

%

Largest customer

 
7.7 

%
8.2 

%
8.4 

%