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Segment Information (Tables) | 12 Months Ended
--- | ---
Mar. 30, 2013
Segment Information [Abstract] |
Schedule Of Segment Revenue From Product Lines |
| Fiscal Years Ended
| March 30, |  | March 31, |  | March 26, |
| 2013 |  | 2012 |  | 2011 |
Audio Products | $ | 754,769 |  | $ | 350,743 |  | $ | 264,840 |
Energy Products |  | 55,017 |  |  | 76,100 |  |  | 104,731 |
| $ | 809,786 |  | $ | 426,843 |  | $ | 369,571 |
Schedule Of Sales By Geographic Location Based On The Sales Office Location |
| Fiscal Years Ended
| March 30, |  | March 31, |  | March 26,
| 2013 |  | 2012 |  | 2011
United States | $ | 38,670 |  | $ | 50,230 |  | $ | 66,701
United Kingdom |  | 19,211 |  |  | 23,927 |  |  | 27,398
China |  | 700,051 |  |  | 294,143 |  |  | 205,775
Hong Kong |  | 8,590 |  |  | 8,671 |  |  | 9,216
Japan |  | 9,299 |  |  | 15,196 |  |  | 16,902
South Korea |  | 8,975 |  |  | 9,781 |  |  | 12,413
Taiwan |  | 11,694 |  |  | 10,662 |  |  | 13,073
Other Asia |  | 10,387 |  |  | 13,063 |  |  | 16,012
Other non-U.S. countries |  | 2,909 |  |  | 1,170 |  |  | 2,081
Total consolidated sales | $ | 809,786 |  | $ | 426,843 |  | $ | 369,571
Schedule Of Property, Plant, And Equipment, Net, By Geographic Location |
| Fiscal Years Ended
| March 30, |  | March 31,
| 2013 |  | 2012
United States | $ | 100,343 |  | $ | 66,530
United Kingdom |  | 23 |  |  | 20
China |  | 137 |  |  | 158
Hong Kong |  | 5 |  |  | 3
Japan |  | 25 |  |  | 167
South Korea |  | 6 |  |  | 6
Taiwan |  | 70 |  |  | 83
Other Asia |  | 14 |  |  | 11
Total consolidated property, plant and equipment, net | $ | 100,623 |  | $ | 66,978

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