v2.4.0.6

Intangibles, Net (Gross Carrying Amount And Amortization Of Intangible Assets) (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Mar. 31, 2012 | Mar. 26, 2011
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | $ 41,090,000 |  | $ 43,831,000 |
Accumulated Amortization | (22,849,000) |  | (23,706,000) |
Core Technology [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 1,390,000 |  | 1,390,000 |
Accumulated Amortization | (1,390,000) |  | (1,390,000) |
Weighted-Average Amortization Period | 9 years |  |  |
License Agreements [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 440,000 |  | 440,000 |
Accumulated Amortization | (440,000) |  | (440,000) |
Weighted-Average Amortization Period | 9 years |  |  |
Existing Technology [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 17,235,000 |  | 17,235,000 |
Accumulated Amortization | (7,318,000) |  | (6,321,000) |
Weighted-Average Amortization Period | 13 years 3 months 18 days |  |  |
Trademarks [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 2,758,000 | [1] | 2,758,000 | [1]
Accumulated Amortization | (320,000) | [1] | (320,000) | [1]
Weighted-Average Amortization Period | 4 years |  |  |
Gross amount excluded from weighted-average amortization period | 2,400,000 |  |  |
Non-compete Agreements [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 398,000 |  | 398,000 |
Accumulated Amortization | (258,000) |  | (179,000) |
Weighted-Average Amortization Period | 5 years |  |  |
Customer Relationships [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 4,682,000 |  | 4,682,000 |
Accumulated Amortization | (1,515,000) |  | (1,179,000) |
Weighted-Average Amortization Period | 14 years 7 months 6 days |  |  |
Technology Licenses [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Amount | 14,187,000 |  | 16,928,000 |
Accumulated Amortization | $ (11,608,000) |  | $ (13,877,000) |
Weighted-Average Amortization Period | 3 years 3 months 18 days |  |  |
[1] | Trademarks also includes $2.4 million of indefinite-lived assets, which are not included in the weighted-average amortization period above.

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