Statements of Operations-Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Statements Of Operations Additional Information [Line Items]
Total	$ 218,223	$ 205,876	$ 418,376	$ 399,288
United States
Statements Of Operations Additional Information [Line Items]
Total	127,750	129,379	243,842	242,548
Latin America and Canada
Statements Of Operations Additional Information [Line Items]
Total	39,316	36,126	77,575	68,452
Europe, Middle East and Africa
Statements Of Operations Additional Information [Line Items]
Total	26,181	27,672	51,040	53,054
Asia Pacific
Statements Of Operations Additional Information [Line Items]
Total	24,976	12,699	45,919	35,234
Animal Health
Statements Of Operations Additional Information [Line Items]
Total	139,562	132,845	270,751	261,686
Animal Health | MFAs and other
Statements Of Operations Additional Information [Line Items]
Total	93,054	82,018	180,058	161,621
Animal Health | Nutritional specialties
Statements Of Operations Additional Information [Line Items]
Total	29,460	32,623	56,430	63,400
Animal Health | Vaccines
Statements Of Operations Additional Information [Line Items]
Total	17,048	18,204	34,263	36,665
Mineral Nutrition
Statements Of Operations Additional Information [Line Items]
Total	62,319	59,616	117,157	111,689
Performance Products
Statements Of Operations Additional Information [Line Items]
Total	$ 16,342	$ 13,415	$ 30,468	$ 25,913