Fair Value Measurement and Fair Value of Financial Instruments - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details) $ in Millions	Mar. 31, 2020 USD ($)
Foreign Exchange Contracts
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current assets	$ 10.8
Other current liabilities	9.3
Foreign Exchange Contracts | (Level 1)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current assets	0.0
Other current liabilities	0.0
Foreign Exchange Contracts | (Level 2)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current assets	10.8
Other current liabilities	9.3
Foreign Exchange Contracts | (Level 3)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current assets	0.0
Other current liabilities	0.0
Cross-currency Swaps
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current liabilities	4.1
Cross-currency Swaps | (Level 1)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current liabilities	0.0
Cross-currency Swaps | (Level 2)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current liabilities	4.1
Cross-currency Swaps | (Level 3)
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Other current liabilities	$ 0.0