Business Combinations - Net Asset Acquired (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Mar. 17, 2023	Dec. 31, 2022
Accounts receivable
Assets held for sale	$ 225.7
Liabilities held for sale	(43.9)
Goodwill (3)	2,809.3		$ 992.0
Goodwill written off	102.2
Howden Industries
Accounts receivable
Cash and cash equivalents	62.5
Restricted cash	2.6
Accounts receivable	427.4
Inventories	268.3
Unbilled contract revenue	167.3
Prepaid expenses	52.6
Other current assets	107.8
Property, plant and equipment	325.1
Identifiable intangible assets	2,442.5
Equity method investments	22.3
Other assets	168.2
Accounts payable	(369.5)
Customer advances and billings in excess of contract revenue	(263.7)
Accrued salaries, wages and benefits	(103.0)
Accrued income taxes	(50.9)
Current portion of warranty reserve	(32.1)
Current portion of long-term debt	(1.4)
Other current liabilities	(91.0)
Long-term deferred tax liabilities	(670.8)
Operating lease liabilities	(52.3)
Finance lease liabilities	(8.1)
Accrued pension liabilities	(6.0)
Other long-term liabilities	(5.6)
Total identifiable net assets assumed	2,574.0
Noncontrolling interest	(129.3)
Goodwill (3)	1,942.7
Net assets acquired	4,387.4
Assets acquired net of cash, cash equivalents and restricted cash	$ 4,322.3
Howden Industries | Howden Hua Engineering Co
Accounts receivable
Noncontrolling interest, ownership percentage (percent)		82.00%