CONSOLIDATED STATEMENTS OF EARNINGS AND COMPREHENSIVE INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Revenues	$ 2,499.8		$ 1,984.2		$ 1,937.7
Cost of sales	1,563.5		1,263.7		1,268.5
Selling, general and administrative	349.7		291.7		270.5
Research, development and engineering	158.6		112.8		102.6
Operating earnings	428.0	[1]	316.0	[1]	296.1	[1]
Interest expense	105.0		92.2		88.4
Write-off of debt issuance costs			12.4		3.1
Earnings (loss) before income taxes	323.0		211.4		204.6
Income tax expense	95.2		68.1		62.6
Net earnings	227.8		143.3		142.0
Other comprehensive income:
Foreign currency translation adjustment and other	(13.9)		(24.5)		13.3
Comprehensive income	$ 213.9		$ 118.8		$ 155.3
Net earnings per share - basic	$ 2.25		$ 1.44		$ 1.44
Net earnings per share - diluted	$ 2.24		$ 1.42		$ 1.43
Weighted average common shares - basic	101.1		99.7		98.5
Weighted average common shares - diluted	101.9		100.9		99.3

[1] Operating earnings includes an allocation of corporate IT costs, employee benefits and general and administrative costs based on the proportion of each segments' systems users, number of employees and sales, respectively.