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Nature of Operations (Tables)
 12 Months Ended
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Percentage of worldwide sales
The Company’s principal classes of products accounted for the following percentages of worldwide Net sales for the past three years:
  
 
2018
 
2017
 
2016
Oral Care
 
47
%
 
48
%
 
47
%
Personal Care
 
20
%
 
19
%
 
20
%
Home Care
 
18
%
 
18
%
 
18
%
Pet Nutrition
 
15
%
 
15
%
 
15
%
Total
 
100
%
 
100
%
 
100
%