Revenue and Contracts in Process - Contract Assets and Contract Liabilities and Recognized Earnings (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Costs incurred on contracts in progress	$ 2,503.3	$ 2,161.5
Estimated earnings	378.9	316.4
Contract revenue earned on uncompleted contracts	2,882.2	2,477.9
Less: progress billings	2,815.7	2,438.4
Net of cost earned on uncompleted contracts	66.5	39.5
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]
Contract assets	165.1	118.6
Contract liabilities	(98.6)	(79.1)
Net contract assets (liabilities)	$ 66.5	$ 39.5

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130531-203044

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126919976&loc=SL49130533-203044

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant