Financial Instruments, Risk Management and Fair Value Measurements - Recurring Fair Value Measurements (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Assets
Derivatives	$ 32.6	$ 8.3
Liabilities
Derivative Liabilities	25.9	17.2
Foreign exchange contracts
Assets
Derivatives	32.6	8.3
Liabilities
Derivative Liabilities	21.5	16.3
Interest rate contracts
Liabilities
Derivative Liabilities	4.4	0.9
Fair Value, Measurements, Recurring
Assets
Other	30.3	20.2
Total assets	58.7	20.4
Liabilities
Other	22.0	32.8
Total liabilities	43.7	41.9
Fair Value, Measurements, Recurring \| Foreign exchange contracts
Assets
Derivatives	28.4	0.2
Liabilities
Derivative Liabilities	17.3	8.2
Fair Value, Measurements, Recurring \| Interest rate contracts
Liabilities
Derivative Liabilities	4.4	0.9
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Other	30.3	20.2
Total assets	30.3	20.2
Liabilities
Other	20.5	29.7
Total liabilities	20.5	29.7
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Foreign exchange contracts
Assets
Derivatives	0.0	0.0
Liabilities
Derivative Liabilities	0.0	0.0
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Interest rate contracts
Liabilities
Derivative Liabilities	0.0	0.0
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2)
Assets
Other	0.0	0.0
Total assets	28.4	0.2
Liabilities
Other	1.5	3.1
Total liabilities	23.2	12.2
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Foreign exchange contracts
Assets
Derivatives	28.4	0.2
Liabilities
Derivative Liabilities	17.3	8.2
Fair Value, Measurements, Recurring \| Significant Other Observable Inputs (Level 2) \| Interest rate contracts
Liabilities
Derivative Liabilities	4.4	0.9
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3)
Assets
Other	0.0	0.0
Total assets	0.0	0.0
Liabilities
Other	0.0	0.0
Total liabilities	0.0	0.0
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3) \| Foreign exchange contracts
Assets
Derivatives	0.0	0.0
Liabilities
Derivative Liabilities	0.0	0.0
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3) \| Interest rate contracts
Liabilities
Derivative Liabilities	$ 0.0	$ 0.0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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