|
Segment Information (Schedule Of Segment Revenue From Product Lines) (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Dec. 31, 2011
|
Dec. 25, 2010
|
Dec. 31, 2011
|
Dec. 25, 2010
|
|
| Segment Reporting Information [Line Items] | ||||
| Product revenue | $ 122,368 | $ 95,625 | $ 316,212 | $ 278,138 |
|
Audio Products [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Product revenue | 105,418 | 72,716 | 260,220 | 197,875 |
|
Energy Products [Member]
|
||||
| Segment Reporting Information [Line Items] | ||||
| Product revenue | $ 16,950 | $ 22,909 | $ 55,992 | $ 80,263 |