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INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended | 9 Months Ended | 3 Months Ended
--- | --- | --- | --- | ---
Sep. 27, 2014 | Sep. 28, 2013 | Jun. 29, 2013 | Sep. 27, 2014 | Sep. 28, 2013 | Sep. 27, 2014 Minimum | Sep. 27, 2014 Maximum | Sep. 27, 2014 EGS Electrical Group, LLC and Subsidiaries ("EGS") | Mar. 29, 2014 EGS Electrical Group, LLC and Subsidiaries ("EGS")
Uncertain Tax Benefits |  |  |  |  |  |  |  |  |
Gross unrecognized tax benefits | $ 82.7 |  |  | $ 82.7 |  |  |  |  |
Net unrecognized tax benefits | 44.0 |  |  | 44.0 |  |  |  |  |
Portion of unrecognized benefits which, if recognized, would impact future effective tax rates | 43.4 |  |  | 43.4 |  |  |  |  |
Gross accrued interest | 9.3 |  |  | 9.3 |  |  |  |  |
Net accrued interest | 7.0 |  |  | 7.0 |  |  |  |  |
Penalties recorded |  |  |  | 7.1 |  |  |  |  |
Reasonably possible amount that unrecognized tax benefits could decrease within next 12 months, low end of range | 20.0 |  |  | 20.0 |  |  |  |  |
Reasonably possible amount that unrecognized tax benefits could decrease within next 12 months, high end of range | 30.0 |  |  | 30.0 |  |  |  |  |
Other Tax Matters |  |  |  |  |  |  |  |  |
Income tax provision from continuing operations | 26.0 | 16.6 |  | 202.6 | 30.2 |  |  |  |
Pre-tax income from continuing operations | 90.8 | 79.7 |  | 617.3 | 147.1 |  |  |  |
Effective income tax rate (as a percent) | 28.60% | 20.80% |  | 32.80% | 20.50% |  |  |  |
Income tax charges related to incremental state income taxes provided in connection with the gain recorded on the sale of the entity's interest in joint venture |  |  |  |  |  |  |  | 4.0 |
Income tax expense (benefit) related to valuation allowances recorded against foreign deferred income tax assets | 1.4 | (6.4) |  | 12.2 |  |  |  |  |
Tax benefits related to audit settlements and statute expirations | 0.4 | 2.3 |  | 10.3 |  |  |  |  |
Tax benefit related to loss on an investment in a foreign subsidiary |  |  |  | 6.7 |  |  |  |  |
Income tax expense (benefit) related to valuation allowances recorded against foreign deferred income tax assets and audit settlements and statute expirations |  | 8.7 |  |  |  |  |  |  |
Gain on sale of interest in EGS |  |  |  |  |  |  |  |  | 491.2
Tax benefit related to the research and experimentation credit generated in 2012 |  |  | 4.1 |  |  |  |  |  |
Tax benefit related to the foreign tax credits |  |  | 2.0 |  |  |  |  |  |
Tax benefit related to the statute expirations |  |  | $ 1.8 |  |  |  |  |  |
Period during which state income tax returns are subject to examination |  |  |  |  |  | 3 years | 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 |  |

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