Goodwill and Other Intangible Assets (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Thermal Equipment and Services reportable segment	Dec. 31, 2010 Thermal Equipment and Services reportable segment	Dec. 31, 2011 Industrial Products and Services	Dec. 31, 2011 Trademarks	Dec. 31, 2010 Trademarks	Dec. 31, 2011 Trademarks Clyde Union Holdings, SARL	Dec. 22, 2011 Trademarks Clyde Union Holdings, SARL	Dec. 31, 2011 Patents	Dec. 31, 2010 Patents	Dec. 31, 2011 Technology	Dec. 31, 2010 Technology	Dec. 31, 2011 Technology Clyde Union Holdings, SARL	Dec. 31, 2011 Customer relationships	Dec. 31, 2010 Customer relationships	Dec. 31, 2011 Customer relationships Clyde Union Holdings, SARL	Dec. 31, 2011 Other	Dec. 31, 2010 Other	Dec. 31, 2011 Customer lists Clyde Union Holdings, SARL
Intangible assets with determinable lives
Gross carrying value of finite-lived intangible assets	$ 629.8	$ 322.3									$ 8.5	$ 13.9	$ 182.2	$ 115.4		$ 400.4	$ 165.2		$ 38.7	$ 27.8
Accumulated Amortization	(93.8)	(77.9)									(7.6)	(12.6)	(30.5)	(22.9)		(44.7)	(33.3)		(11.0)	(9.1)
Net carrying value of finite-lived intangible assets	536.0	244.4		57.9		10.9					0.9	1.3	151.7	92.5		355.7	131.9		27.7	18.7
Intangible assets with indefinite lives
Trademarks							436.4	369.6
Total intangible assets
Gross Carrying Value	1,066.2	691.9
Net Carrying Value	972.4	614.0
Impairment charges				7.5	1.7	0.8
Identifiable finite-lived intangible assets acquired									76.8	76.8					59.6			234.3			14.7
Amortization expense	23.3	20.7	14.3
Estimated annual amortization expense related to intangible assets
Estimated annual amortization expense in 2012	46.1
Estimated annual amortization expense in 2013	37.4
Estimated annual amortization expense in 2014	33.6
Estimated annual amortization expense in 2015	32.7
Estimated annual amortization expense in 2016	$ 31.8