BUSINESS SEGMENT INFORMATION (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 01, 2011 D matter country	Oct. 02, 2010	Oct. 01, 2011 Y segment M matter country	Oct. 02, 2010	Dec. 31, 2010
BUSINESS SEGMENT INFORMATION
Minimum number of countries in which entity operates	35		35
Number of reportable segments			4
Revenues:
Revenues	$ 1,387.2	$ 1,288.4	$ 3,970.2	$ 3,561.8
Segment income:
Total segment income	156.4	157.7	403.2	399.9
Corporate and other expenses:
Corporate expense	(25.1)	(21.5)	(79.9)	(66.7)
Pension and postretirement expense	(8.7)	(13.4)	(27.0)	(39.5)
Stock-based compensation expense	(7.8)	(5.3)	(34.5)	(25.4)
Impairment of goodwill and other intangible assets			(24.7)
Special charges, net	(7.7)	(8.9)	(19.7)	(20.1)
Operating income	107.1	108.6	217.4	248.2
Revenues detail
Revenues recognized under the percentage of completion method	375.9	362.7	1,074.8	978.5
Costs and estimated earnings in excess of billings on contracts accounted for under the percentage of completion method	277.0		277.0		228.1
Costs and estimated earnings in excess of billings on contracts reported as a component of accounts receivable, net	275.2		275.2		226.3
Costs and estimated earnings in excess of billings on contracts reported as a component of other assets	1.8		1.8		1.8
Billings in excess of costs and estimated earnings on uncompleted contracts accounted for under the percentage of completion method	236.7		236.7		373.9
Billings in excess of costs and estimated earnings on uncompleted contracts reported as a component of accrued expenses					364.5
Billings in excess of costs and estimated earnings on uncompleted contracts reported as a component of other long-term liabilities					9.4
Flow Technology
Revenues:
Revenues	527.9	438.6	1,476.6	1,176.0
Segment income:
Total segment income	70.1	58.2	183.1	144.7
Corporate and other expenses:
Special charges, net	(5.6)	(2.0)	(9.4)	(8.5)
Test and Measurement
Revenues:
Revenues	255.6	227.6	792.6	671.9
Segment income:
Total segment income	29.4	17.8	78.0	54.9
Corporate and other expenses:
Special charges, net	(0.5)	(2.7)	(6.0)	(6.0)
Thermal Equipment and Services
Revenues:
Revenues	433.9	438.7	1,191.1	1,183.3
Segment income:
Total segment income	40.8	60.1	97.9	140.9
Corporate and other expenses:
Special charges, net		(3.6)	(1.8)	(4.8)
Percentage interest in South African subsidiary held by noncontrolling interest shareholder (as a percent)	25.10%		25.10%
Industrial Products and Services
Revenues:
Revenues	169.8	183.5	509.9	530.6
Segment income:
Total segment income	16.1	21.6	44.2	59.4
Corporate and other expenses:
Special charges, net	$ (1.5)		$ (2.3)