Debt - Revolving Loan Arrangements (Details) $ in Millions	Jun. 30, 2021 USD ($)
Revolving lines of credit
Total Amount Committed by Lenders	$ 722.0
Outstanding Letters of Credit	122.1
Total Committed Amount Available	$ 599.9
2019 Credit Agreement | US Dollar revolving loan
Revolving lines of credit
Weighted Average Interest Rate (as a percent)	1.30%
Total Amount Committed by Lenders	$ 600.0
Outstanding Letters of Credit	0.1
Total Committed Amount Available	599.9
Bank guarantees and working capital line
Revolving lines of credit
Total Amount Committed by Lenders	122.0
Outstanding Letters of Credit	$ 122.0