EQUITY AND STOCK-BASED COMPENSATION (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended			12 Months Ended	6 Months Ended			12 Months Ended	6 Months Ended		12 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013 EGS Electrical Group, LLC and Subsidiaries ("EGS")	Dec. 31, 2012 EGS Electrical Group, LLC and Subsidiaries ("EGS")	Jun. 29, 2013 Total	Jun. 29, 2013 Foreign Currency Translation Adjustment	Jun. 29, 2013 Net Unrealized Losses on Qualifying Cash Flow Hedges	Dec. 31, 2012 Net Unrealized Losses on Qualifying Cash Flow Hedges	Jun. 29, 2013 Net Unrealized Losses on Available-for-Sale Securities	Jun. 29, 2013 Pension and Postretirement Liability Adjustment and Other	Dec. 31, 2012 Pension and Postretirement Liability Adjustment and Other
Components of Accumulated Other Comprehensive Loss
Balance at beginning of period			$ (228.9)				$ (228.9)	$ 298.1	$ (3.3)		$ (3.1)	$ (520.6)
Other comprehensive income (loss) before reclassifications							(72.4)	(72.3)	(1.6)		(0.7)	2.2
Amounts reclassified from accumulated other comprehensive loss							13.5		0.5			13.0
Current-period other comprehensive loss							(58.9)	(72.3)	(1.1)		(0.7)	15.2
Balance at end of period	(287.8)		(287.8)				(287.8)	225.8	(4.4)	(3.3)	(3.8)	(505.4)	(520.6)
Pension and postretirement liability adjustment and other, tax benefit	4.1	3.3	7.6	5.1	5.0	3.8						310.9	318.5
Net unrealized gain (loss) on qualifying cash flow hedges, tax benefit (provision)									$ 2.9	$ 2.5