Property, Plant and Equipment - Components of property, plant, and equipment, net (Details) - USD ($) $ in Millions	Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Land	$ 202.4		$ 207.5
Buildings	1,592.9		1,699.7
Leasehold improvements	107.7		121.0
Machinery and equipment	1,611.5		1,585.5
Computer software and hardware	999.9		971.6
Furniture and fixtures	61.1		67.4
Construction in progress	888.8		770.3
Total cost	5,464.3		5,423.0
Less: accumulated depreciation	(2,165.7)		(2,006.6)
Total property, plant and equipment, net	$ 3,298.6		$ 3,416.4
125 Broadway Building
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, net		$ 79.2
125 Broadway Building \| Buildings
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, net		72.6
125 Broadway Building \| Land
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, net		1.6
125 Broadway Building \| Machinery and Equipment
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, net		$ 5.0

Computer software and hardware

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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- Definition

Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

+ References

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

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Amount before accumulated depreciation of additions or improvements to assets held under a lease arrangement.

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Amount before accumulated depreciation of tangible personal property used to produce goods and services, including, but is not limited to, tools, dies and molds, computer and office equipment.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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