INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended	9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Jun. 29, 2013	Sep. 28, 2013	Sep. 29, 2012
Uncertain Tax Positions
Gross unrecognized tax benefits	$ 72.9			$ 72.9
Net unrecognized tax benefits	35.8			35.8
Portion of unrecognized benefits which, if recognized, would impact future effective tax rates	34.9			34.9
Gross accrued interest	6.7			6.7
Net accrued interest	5.0			5.0
Reasonably possible amount that unrecognized tax benefits could decrease within next twelve months, low end of range	10.0			10.0
Reasonably possible amount that unrecognized tax benefits could decrease within next twelve months, high end of range	15.0			15.0
Other Tax Matters
Income tax provision from continuing operations	12.3	9.6		17.2	27.0
Pre-tax income from continuing operations	69.3	58.1		115.8	110.2
Effective income tax rate (as a percent)	17.70%	16.50%		14.90%	24.50%
Tax benefit related to audit settlements and statute expirations	2.3	4.2		8.7	7.0
Tax benefit related to reduction in deferred tax liabilities		2.8
Tax benefit related to the research and experimentation credit generated in 2012			4.1
Tax benefit related to the foreign tax credits			2.0
Net tax benefits recognized on expiry of statute of limitations			1.8
Tax expense partially offset with the deconsolidation of dry cooling business in China					6.1
Period within which the audit of federal income tax returns is not expected to be concluded				12 months
Minimum
Operating Loss Carryforwards
State income tax returns subject to examination for a period				3 years
Maximum
Operating Loss Carryforwards
State income tax returns subject to examination for a period				5 years
Maximum period for which impact on state income tax returns of any federal changes remains subject to examination by various states				1 year
Foreign Country
Other Tax Matters
Income tax charges related to valuation allowances recorded against deferred income tax assets	$ 6.4