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Impairment Of Non-Marketable Securities	6 Months Ended
Impairment Of Non-Marketable Securities	Sep. 24, 2011
Impairment Of Non-Marketable Securities [Abstract]
Impairment Of Non-Marketable Securities	9. Impairment of Non-Marketable Securities In the second quarter of fiscal year 2011, the Company recognized a loss on the impairment of an equity investment in the amount of $0.5 million. Our original investment was in the form of a note receivable, which was then converted into an equity security. After the conversion, we determined that an impairment indicator existed related to our cost method investment. We performed a fair value analysis of our cost method investment in accordance with FASB ASC Topic 320 - "Investments – Debt and Equity Securities." Based on the results of this analysis as of September 25, 2010, we recognized an impairment of $0.5 million to reduce the carrying value of the cost method investment to zero. The impairment was recorded as a separate line item on the consolidated condensed statement of operations in operating expenses under the caption "Impairment of non-marketable securities."