Segment Information Segment Information (Sales By Major Product Group) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenue from External Customer [Line Items]
Net sales	$ 681.6	$ 694.2	$ 712.2	$ 660.0	$ 680.6	$ 669.9	$ 711.2	$ 678.8	$ 2,748.0	$ 2,740.5	$ 2,925.0
Process Valves and Related Products [Member] | Fluid Handling [Member]
Revenue from External Customer [Line Items]
Net sales									619.2	681.2	805.1
Commercial Valves [Member] | Fluid Handling [Member]
Revenue from External Customer [Line Items]
Net sales									290.9	316.5	362.5
otherproducts [Member] | Fluid Handling [Member]
Revenue from External Customer [Line Items]
Net sales									89.4	93.7	96.3
Payment Acceptance and Dispensing Products [Member] [Member] | Payment and Merchandising Technologies [Member]
Revenue from External Customer [Line Items]
Net sales									511.8	496.1	512.5
Merchandising Equipment [Member] | Payment and Merchandising Technologies [Member]
Revenue from External Customer [Line Items]
Net sales									234.0	207.0	199.4
Commercial Original Equipment [Member] | Aerospace And Electronics [Member]
Revenue from External Customer [Line Items]
Net sales									354.9	349.3	350.7
Military and Other Original Equipment [Member] | Aerospace And Electronics [Member]
Revenue from External Customer [Line Items]
Net sales									200.3	152.6	159.1
Commercial Aftermarket Products [Member] | Aerospace And Electronics [Member]
Revenue from External Customer [Line Items]
Net sales									132.8	132.1	133.9
Military Aftermarket Products [Member] | Aerospace And Electronics [Member]
Revenue from External Customer [Line Items]
Net sales									57.7	57.1	52.3
FRP - Recreational Vehicles [Member] | Engineered Materials [Member]
Revenue from External Customer [Line Items]
Net sales									131.2	133.9	133.6
FRP - Building Products [Member] | Engineered Materials [Member]
Revenue from External Customer [Line Items]
Net sales									89.6	83.1	81.7
FRP - Transportation [Member] | Engineered Materials [Member]
Revenue from External Customer [Line Items]
Net sales									36.2	37.8	38.1
Outside [Member] | Fluid Handling [Member]
Revenue from External Customer [Line Items]
Net sales									999.5	1,091.3	1,263.7
Outside [Member] | Payment and Merchandising Technologies [Member]
Revenue from External Customer [Line Items]
Net sales									745.8	703.0	712.0
Outside [Member] | Aerospace And Electronics [Member]
Revenue from External Customer [Line Items]
Net sales									745.7	691.3	696.0
Outside [Member] | Engineered Materials [Member]
Revenue from External Customer [Line Items]
Net sales									$ 257.0	$ 254.8	$ 253.3