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EQUITY AND STOCK-BASED COMPENSATION (Details 3) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 6 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 28, 2013 | Sep. 29, 2012 | Sep. 28, 2013 | Sep. 29, 2012 | Jun. 29, 2013 EGS Electrical Group, LLC and Subsidiaries ("EGS") | Sep. 28, 2013 EGS Electrical Group, LLC and Subsidiaries ("EGS") | Dec. 31, 2012 EGS Electrical Group, LLC and Subsidiaries ("EGS") | Sep. 28, 2013 Total | Sep. 28, 2013 Total | Sep. 28, 2013 Foreign Currency Translation Adjustment | Sep. 28, 2013 Foreign Currency Translation Adjustment | Sep. 28, 2013 Net Unrealized Losses on Qualifying Cash Flow Hedges | Jun. 29, 2013 Net Unrealized Losses on Qualifying Cash Flow Hedges | Sep. 28, 2013 Net Unrealized Losses on Qualifying Cash Flow Hedges | Dec. 31, 2012 Net Unrealized Losses on Qualifying Cash Flow Hedges | Sep. 28, 2013 Net Unrealized Losses on Available-for-Sale Securities | Sep. 28, 2013 Net Unrealized Losses on Available-for-Sale Securities | Sep. 28, 2013 Pension and Postretirement Liability Adjustment and Other | Jun. 29, 2013 Pension and Postretirement Liability Adjustment and Other | Sep. 28, 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) |  |  |  |  | $ (287.8) | $ (228.9) | $ 225.8 | $ 298.1 | $ (4.4) | $ (3.3) | $ (3.3) |  | $ (3.8) | $ (3.1) | $ (505.4) | $ (520.6) | $ (520.6) |
Other comprehensive gain (loss) before reclassifications |  |  |  |  |  |  |  | 66.5 | (5.9) | 70.1 | (2.2) | 0.5 |  | (1.1) |  | (0.8) | (1.5) | (3.3) |  | (1.1) |
Amounts reclassified from accumulated other comprehensive loss |  |  |  |  |  |  |  | 8.3 | 21.8 |  |  | 1.8 |  | 2.3 |  |  |  | 6.5 |  | 19.5 |
Current-period other comprehensive gain (loss) |  |  |  |  |  |  |  | 74.8 | 15.9 | 70.1 | (2.2) | 2.3 |  | 1.2 |  | (0.8) | (1.5) | 3.2 |  | 18.4 |
Balance at end of period | (213.0) |  | (213.0) |  |  |  |  | (213.0) | (213.0) | 295.9 | 295.9 | (2.1) | (4.4) | (2.1) | (3.3) | (4.6) | (4.6) | (502.2) | (505.4) | (502.2) | (520.6)
Net unrealized gain (loss) on qualifying cash flow hedges, tax benefit (provision) |  |  |  |  |  |  |  |  |  |  |  |  | 2.9 | 1.9 | 2.5 |  |  |  |  |  |
Pension and postretirement liability adjustment and other, tax benefit | $ 3.3 | $ 2.5 | $ 10.9 | $ 7.6 | $ 5.0 | $ 5.0 | $ 3.8 |  |  |  |  |  |  |  |  |  |  |  | $ 310.9 | $ 307.6 | $ 318.5

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