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Financial Instruments and Risk Management (Narrative) (Details) € in Millions, ¥ in Millions, $ in Millions	Oct. 31, 2023 EUR (€)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 EUR (€)	Sep. 30, 2023 JPY (¥)	Dec. 31, 2022 USD ($)
Derivative [Line Items]
Contingent consideration		$ 371.1			$ 375.0
Percentage decline in CCPS		10.00%	10.00%	10.00%
Biocon Biologics
Derivative [Line Items]
Contingent consideration		$ 232.0			$ 221.2
YEN Term Loan
Derivative [Line Items]
Long-term debt		$ 267.8
Net Investment Hedging
Derivative [Line Items]
Long-term debt			€ 5,100.0	¥ 40,000
Net Investment Hedging \| YEN Term Loan
Derivative [Line Items]
Long-term debt \| ¥				40,000
Interest rate swaps \| Net Investment Hedging
Derivative [Line Items]
Notional amounts of derivatives \| ¥				¥ 14,600
Currency Swap \| Subsequent Event \| Net Investment Hedging
Derivative [Line Items]
Notional amounts of derivatives \| €	€ 500.0
Measurement Input, Discount Rate \| Contingent consideration \| Minimum
Derivative [Line Items]
Range of discount rates on contingent consideration		0.064	0.064	0.064
Measurement Input, Discount Rate \| Contingent consideration \| Maximum
Derivative [Line Items]
Range of discount rates on contingent consideration		0.095	0.095	0.095