Pension and Other Postretirement Benefit Plans (Narrative) (Details) $ in Millions	9 Months Ended
	Sep. 30, 2018 USD ($)
%ofemployeesinUSplans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Pension Plan Covers Employees Percentage	17.00%
% of employees in Non-US plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Pension Plan Covers Employees Percentage	12.00%
Crane Currency [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Funded (Unfunded) Status of Plan	$ (13.8)
Defined Benefit Plan, Benefit Obligation	48.7
Defined Benefit Plan, Plan Assets, Amount	$ 34.9