Debt - Revolving Loan Arrangements (Details) $ in Millions	Jun. 30, 2019 USD ($)
Revolving lines of credit
Total Amount Committed by Lenders	$ 766.6
Outstanding Borrowings	285.9
Outstanding Letters of Credit	134.6
Total Amount Available	$ 346.1
US Dollar revolving loan under the 2015 Credit Agreement
Revolving lines of credit
Weighted Average Interest Rate (as a percent)	2.50%
Total Amount Committed by Lenders	$ 500.0
Outstanding Borrowings	285.9
Outstanding Letters of Credit	1.1
Total Amount Available	213.0
Hain revolving line of credit
Revolving lines of credit
Total Amount Committed by Lenders	4.0
Total Amount Available	4.0
Alicona revolving line of credit
Revolving lines of credit
Total Amount Committed by Lenders	5.3
Total Amount Available	5.3
Other revolving loans
Revolving lines of credit
Total Amount Committed by Lenders	257.3
Outstanding Letters of Credit	133.5
Total Amount Available	$ 123.8