Business Description (Details) product in Thousands	Dec. 31, 2016 product	Dec. 31, 2016 species	Dec. 31, 2016 country	Dec. 31, 2016 region	Dec. 31, 2016 product_category	Feb. 06, 2013
Product Information [Line Items]
Number of regional segments | region				2
Number of countries in which entity markets products			45
Number of core animal species | species		8
Number of major product categories	5				5
Percentage of total outstanding shares						19.80%
Product
Product Information [Line Items]
Number of countries in which entity markets products			100