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           Basis of Presentation and Summary of Business (Details Textual) 
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           Apr. 01, 2013 
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           Mar. 30, 2013 
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| Basis of Presentation and Summary of Business (Textual) [Abstract] | ||
| Equity investment percentage in WhiteOak Controls, Inc. | 40.00% | |
| Percentage of Common Stock Purchased | 60.00% | 
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- Details 
          
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- Definition 
          Purchase of remaining interest in equity investee. No definition available. 
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- Definition 
          The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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