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BASIS OF PRESENTATION (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 29, 2012 D | Oct. 01, 2011 | Sep. 29, 2012 | Oct. 01, 2011
BASIS OF PRESENTATION |  |  |  |
Length of quarter (in days) | 91 |  |  |
Investment in joint venture under equity method investment |  |  |  |
Equity earnings in joint ventures | $ 8.6 | $ 7.1 | $ 25.0 | $ 20.9
Shanghai Electric JV |  |  |  |
Investment in joint venture under equity method investment |  |  |  |
Percentage of interest held in joint venture | 45.00% |  | 45.00% |
EGS Electrical Group, LLC and subsidiaries ("EGS") |  |  |  |
Investment in joint venture under equity method investment |  |  |  |
Percentage of interest held in joint venture | 44.50% |  | 44.50% |
Lag in including results in consolidated statements (in months) |  |  | 3 |
Revenues from joint venture | 127.5 | 121.8 | 387.2 | 355.1
Equity earnings in joint ventures | $ 8.6 | $ 6.7 | $ 25.1 | $ 20.0

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