DISCONTINUED OPERATIONS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended			1 Months Ended	12 Months Ended		34 Months Ended	1 Months Ended		12 Months Ended			34 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Feb. 28, 2010 Mining Business	Dec. 31, 2012 Mining Business	Dec. 31, 2010 Mining Business	Dec. 31, 2012 Mining Business	Feb. 28, 2010 Mining Business Bucyrus	Mar. 31, 2010 Powertrain Gears and Pumps Business	Dec. 31, 2010 Powertrain Gears and Pumps Business	Dec. 31, 2012 Atlas	Dec. 31, 2010 Atlas	Dec. 31, 2012 Atlas	Dec. 31, 2012 Settlement with Taxing Authority [Member] Mining Business
Discontinued Operations
Amount of consideration received in cash on divestiture	$ 3.5	$ 0.5	$ 1,002.0	$ 1,000.0					$ 2.0
Shares of Bucyrus common stock received (in shares)								5.8
IncomeTaxesPaidOnDivestitureGain	124
Gain (loss) on disposition of discontinued operations - net of tax	(0.4)	(0.8)	(589.3)		(1.9)	(606.2)	(605.0)			0.4	(2.3)	16.5	14.0
Loss contingency, damages sought, value					149.0
Discontinued operations in the Consolidated Statement of Income
Net sales	0	0	157.7
(Loss) income from discontinued operations before income taxes	1.2	(0.1)	(9.7)
(Provision for) benefit from income taxes	0.6	5.9	(5.6)		(1.9)									2.5
Income (Loss) from discontinued operations – net of tax	1.8	5.8	(15.3)
(Loss) gain on disposition of discontinued operations	(0.1)	(0.7)	832.7
Benefit from (provision for) income taxes	0.5	1.5	(243.4)
Gain (loss) on disposition of discontinued operations - net of tax	$ (0.4)	$ (0.8)	$ (589.3)		$ (1.9)	$ (606.2)	$ (605.0)			$ 0.4	$ (2.3)	$ 16.5	$ 14.0