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Acquisitions (Pro Forma Information) (Details) (USD $) | 1 Months Ended | 3 Months Ended
--- | --- | ---
Sep. 25, 2011 | Sep. 25, 2011 | Sep. 26, 2010
Business Combination, Results of Operations of Acquired Company [Abstract] |  |  |
Revenue |  | $ 268,980,000 | $ 268,437,000
Income from Operations |  | 16,330,000 | 75,371,000
Net income |  | 12,819,000 | 58,036,000
Basic net income per share |  | $ 0.11 | $ 0.54
Diluted net income per share |  | $ 0.11 | $ 0.53
Rudd Lighting, Inc. [Member] |  |  |
Business Combination, Pro Forma Information [Abstract] |  |  |
Revenue |  | 299,312,000 | 310,296,000
Income from operations |  | 8,788,000 | 68,146,000
Net income |  | 8,853,000 | 53,602,000
Earnings per share, basic |  | $ 0.08 | $ 0.47
Earnings per share, diluted |  | $ 0.08 | $ 0.46
Business Combination, Results of Operations of Acquired Company [Abstract] |  |  |
Revenue | 22,343,000 |  |
Income from Operations | (522,000) |  |
Net income | (664,000) |  |
Basic net income per share | $ (0.01) |  |
Diluted net income per share | $ (0.01) |  |
Unaudited por foram revenue for Ruud Lighting |  | $ 53,800,000 | $ 47,300,000

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