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Derivative Instruments and Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	2 Months Ended	3 Months Ended
	May 31, 2022	May 31, 2022	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022	Mar. 31, 2021
Derivative [Line Items]
Remaining maturity of forward foreign exchange contracts, maximum			27 months
Unrealized gains in AOCI at time of termination			$ (2,604.7)	$ (2,739.4)	$ (2,683.4)	$ (2,794.6)
Reduction of asset value of derivative	$ 188.7		(188.7)	0.0
Interest rate swap cash flow hedge loss estimated to be reclassified into earnings during next 12 months			10.9
Net Cash Provided by (Used in) Operating Activities			(0.2)	(348.7)
Net Cash Provided by (Used in) Financing Activities			(39.8)	$ 28.3
Maximum
Derivative [Line Items]
Foreign currency cash flow hedge gains estimated to be reclassified into earnings during next 12 months			0.7
Interest rate swaps
Derivative [Line Items]
Proceeds from terminated swaps	56.4
Gross amount of swaps in an asset position subject to master netting arrangement					169.6
Gross amount of swaps in an liability position subject to master netting arrangement					147.3
Net asset of swaps subject to master netting arrangement					32.0
Net liability of swaps subject to master netting arrangement					$ 9.8
Reduction of debt host	131.3	$ (3.2)
Net Cash Provided by (Used in) Operating Activities	188.7
Net Cash Provided by (Used in) Financing Activities	134.5
Interest rate swaps | Accumulated Gain (Loss), Net, Cash Flow Hedge Discontinued, Including Noncontrolling Interest
Derivative [Line Items]
Unrealized gains in AOCI at time of termination	180.4	180.4
Interest rate swaps | Designated as Hedging Instrument
Derivative [Line Items]
US Dollar Amount or Notional Amount			1,700.0
Derivative Liability	$ 6.8	$ 6.8
Interest rate swaps | Interest Rate Swaps, Re-designated Swaps | Designated as Hedging Instrument
Derivative [Line Items]
US Dollar Amount or Notional Amount			1,400.0
Interest rate swaps | Interest Rate Swap, Fixed Rate Paid 2.915%, Effective Date May 23, 2018 | Designated as Hedging Instrument
Derivative [Line Items]
US Dollar Amount or Notional Amount			$ 300.0

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