Background and Basis of Presentation (Details 1) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		0 Months Ended
	Mar. 31, 2015 item	Mar. 31, 2014	Jul. 01, 2014 item
Background and Basis of Presentation
Number of primary operations	2
Background and Basis of Presentation
Potentially dilutive stock-based compensation awards excluded from computation of dilutive common shares	45,000	45,000
Net sales	$ 228.2	$ 225.1
Earnings Per Basic Common Share
Net income	16.3	13.2
Distributed and undistributed amounts allocated to participating securities	(0.2)	(0.2)
Net income available to common stockholders	16.1	13.0
Weighted-average basic shares outstanding	16,737,000	16,459,000
Basic (in dollars per share)	$ 0.96	$ 0.79
Earnings Per Diluted Common Share
Net income	16.3	13.2
Distributed and undistributed amounts allocated to participating securities	(0.2)	(0.2)
Net income available to common stockholders	16.1	13.0
Weighted-average basic shares outstanding	16,737,000	16,459,000
Add: Assumed incremental shares under stock-based compensation plans	251,000	310,000
Weighted average diluted shares	16,988,000	16,769,000
Diluted (in dollars per share)	$ 0.95	$ 0.78
Crane Technical Materials
Background and Basis of Presentation
Purchase price of equity			$ 72
Number of manufacturing facilities			2