Acquisitions - (Narrative) (Details) - USD ($) $ in Millions					3 Months Ended
	Nov. 01, 2024	May 01, 2024	Jan. 02, 2024	Oct. 04, 2023	Mar. 31, 2025	Sep. 30, 2024	Mar. 31, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Business Combination [Line Items]
TOTAL GOODWILL								$ 683.9	$ 661.6	$ 576.4
BAUM
Business Combination [Line Items]
Acquisition consideration				$ 93.5
Total current assets				24.7
Property, plant and equipment				18.0
Other assets				9.5
Intangible Fair Value				21.1
TOTAL GOODWILL				49.9
Total assets acquired				123.2
Total current liabilities				13.2
Other liabilities				16.5
Business Combination, Recognized Liability Assumed, Liability				29.7
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)				$ 93.5
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred							$ 3.1
BAUM \| Trade names
Business Combination [Line Items]
Weighted Average Life				16 years
Intangible Fair Value				$ 2.1
BAUM \| Customer relationships and backlog
Business Combination [Line Items]
Weighted Average Life				12 years
Intangible Fair Value				$ 17.9
BAUM \| Backlog
Business Combination [Line Items]
Weighted Average Life				1 year
Intangible Fair Value				$ 1.1
CryoWorks, Inc.
Business Combination [Line Items]
Acquisition consideration	$ 38.8
Total current assets	6.1
Property, plant and equipment	5.9
Intangible Fair Value	15.0
TOTAL GOODWILL	19.4
Total assets acquired	46.4
Total current liabilities	2.8
Other liabilities	4.6
Business Combination, Recognized Liability Assumed, Liability	7.4
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)	$ 39.0
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred					$ 0.2
CryoWorks, Inc. \| Trade names
Business Combination [Line Items]
Weighted Average Life	9 years
Intangible Fair Value	$ 2.5
CryoWorks, Inc. \| Customer relationships and backlog
Business Combination [Line Items]
Weighted Average Life	12 years
Intangible Fair Value	$ 11.0
CryoWorks, Inc. \| Backlog
Business Combination [Line Items]
Weighted Average Life	1 year
Intangible Fair Value	$ 1.5
CryoWorks, Inc.
Business Combination [Line Items]
Acquisition consideration		$ 60.7
Total current assets		6.6
Property, plant and equipment		0.5
Other assets		1.9
Intangible Fair Value		24.0
TOTAL GOODWILL		31.1
Total assets acquired		64.1
Total current liabilities		3.5
Other liabilities		1.5
Business Combination, Recognized Liability Assumed, Liability		5.0
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)		$ 59.1
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred						$ 1.6
CryoWorks, Inc. \| Trade names
Business Combination [Line Items]
Weighted Average Life		16 years
Intangible Fair Value		$ 5.0
CryoWorks, Inc. \| Customer relationships and backlog
Business Combination [Line Items]
Weighted Average Life		12 years
Intangible Fair Value		$ 17.5
CryoWorks, Inc. \| Backlog
Business Combination [Line Items]
Weighted Average Life		1 year
Intangible Fair Value		$ 1.5
Vian
Business Combination [Line Items]
Acquisition consideration			$ 102.5
Total current assets			21.0
Property, plant and equipment			6.8
Other assets			7.4
Intangible Fair Value			53.4
TOTAL GOODWILL			46.2
Total assets acquired			134.8
Total current liabilities			6.2
Other liabilities			29.1
Business Combination, Recognized Liability Assumed, Liability			35.3
Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)			99.5
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred						$ 3.0
Potential additional payments for acquisition			$ 7.5
Vian \| Trade names
Business Combination [Line Items]
Weighted Average Life			17 years
Intangible Fair Value			$ 2.0
Vian \| Customer relationships and backlog
Business Combination [Line Items]
Weighted Average Life			29 years
Intangible Fair Value			$ 43.0
Vian \| Backlog
Business Combination [Line Items]
Weighted Average Life			1 year
Intangible Fair Value			$ 5.2

Crane Co 10-K