CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Revenues	$ 753.1	$ 700.6	$ 1,469.8	$ 1,390.6
Cost of sales	447.8	420.1	884.4	821.7
Selling, general and administrative	87.9	86.2	171.7	173.3
Research, development and engineering	80.8	67.0	147.7	142.6
Operating earnings	$ 136.6	$ 127.3	$ 266.0	$ 253.0
Operating earnings, as a percentage of revenues	18.10%	18.20%	18.10%	18.20%
Interest expense, net	$ 22.7	$ 24.1	$ 45.8	$ 48.4
Earnings before income taxes	113.9	103.2	220.2	204.6
Income tax expense	29.1	24.3	52.8	48.1
Net earnings	84.8	78.9	167.4	156.5
Other comprehensive (loss) income:
Foreign currency translation adjust and other	(19.5)	27.3	(4.1)	(23.3)
Comprehensive income	$ 65.3	$ 106.2	$ 163.3	$ 133.2
Net earnings per common share:
Basic net earnings per share (in dollars per share)	$ 0.85	$ 0.76	$ 1.66	$ 1.50
Diluted net earnings per share (in dollars per share)	0.84	0.75	1.66	1.49
Dividends declared per share (in dollars per share)	$ 0.21	$ 0.19	$ 0.42	$ 0.38
Weighted average common shares:
Weighted average common shares - basic	100.2	104.5	100.7	104.5
Weighted average common shares - diluted	100.7	105.0	101.1	105.0