Acquisitions And Divestitures (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	12 Months Ended
	Jan. 10, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired			$ 648.0	$ 54.8	$ 0.0
Intangible asset useful life			17 years 8 months 12 days
Business Combination, Integration Related Costs			$ 19.8	7.8	0.0
inventory step-up and backlog amortization			9.1
Restructuring charges			7.2	13.0	0.0
Goodwill		$ 1,206.9	1,403.7	1,206.9	1,149.2
Goodwill, Acquired During Period			208.4	$ 31.5
Portion of noncontrolling interest sold		70.00%
Noncontrolling Interest, Ownership Percentage by Parent		4.90%		4.90%
Proceeds from Noncontrolling Interests				$ 14.1
Deconsolidation, Gain (Loss), Amount			(1.7)	1.0	$ 0.0
deconsolidation after-tax gain				0.7
Deconsolidation, Revaluation of Retained Investment, Gain (Loss), Amount				0.9
Noncontrolling Interest in Joint Ventures		$ 2.3		$ 2.3
cost of capital				10.00%
Crane Currency [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue			3,310.1
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual			458.2
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual			33.8
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets			199.6
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities			107.2
Business Combination, Consideration Transferred			24.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			252.8
Payments to Acquire Businesses, Gross	$ 800.0
Payments to Acquire Businesses, Net of Cash Acquired	$ 672.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt			97.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities			111.7
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment			298.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets			5.4
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net			208.4
Business Combination, Separately Recognized Transactions, Assets Recognized			964.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities			316.2
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net			648.0
Business Acquisition, Pro Forma Net Income (Loss)			$ 155.3
Business Acquisition, Pro Forma Earnings Per Share, Basic			$ 2.61
Business Acquisition, Pro Forma Earnings Per Share, Diluted			$ 2.57
Westlock [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross				$ 40.0
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period				32.0
Goodwill, Acquired During Period			$ 0.0	22.6
Microtronic [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross				18.0
Goodwill, Acquired During Period				$ 8.9
Customer Relationships and Backlog [Member]
Business Acquisition [Line Items]
Intangible asset useful life			18 years 4 months 24 days
Technology-Based Intangible Assets [Member] | Crane Currency [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			$ 74.0
Developed Technology Rights [Member] | Crane Currency [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			8 years 4 months 24 days
Customer Relationships and Backlog [Member] | Crane Currency [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			$ 135.8
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			23 years 1 month 18 days
Other Intangible Assets [Member] | Crane Currency [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			$ 1.0
Order or Production Backlog [Member] | Crane Currency [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			1 year
Intellectual Property Rights [Member] | Crane Currency [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			$ 42.0