Nature of Operations and Significant Accounting Policies (Schedule Of Changes To Goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Goodwill [Line Items]
Balance at beginning of period	$ 1,472.4	$ 1,403.7
Goodwill, Acquired During Period	106.1	63.4
Currency translation	24.9	5.3
Balance at end of period	1,609.0	1,472.4
Goodwill, Purchase Accounting Adjustments	5.6
Crane Currency [Member]
Goodwill [Line Items]
Goodwill, Acquired During Period		8.7
Fluid Handling
Goodwill [Line Items]
Balance at beginning of period	240.9	240.8
Goodwill, Acquired During Period	106.1	0.0
Currency translation	13.0	0.1
Balance at end of period	360.0	240.9
Payment & Merchandising Technologies
Goodwill [Line Items]
Balance at beginning of period	857.8	789.2
Goodwill, Acquired During Period	0.0	63.4
Currency translation	11.8	5.2
Balance at end of period	875.2	857.8
Goodwill, Purchase Accounting Adjustments	5.6
Aerospace & Electronics
Goodwill [Line Items]
Balance at beginning of period	202.4	202.4
Goodwill, Acquired During Period	0.0	0.0
Currency translation	0.1	0.0
Balance at end of period	202.5	202.4
Engineered Materials
Goodwill [Line Items]
Balance at beginning of period	171.3	171.3
Goodwill, Acquired During Period	0.0	0.0
Currency translation	0.0	0.0
Balance at end of period	$ 171.3	$ 171.3