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Fair Value Measurement (Tables)

12 Months Ended

Apr. 27, 2013

Fair Value Disclosures [Abstract]

Schedule of Fair Value

The following table sets forth by Level within the fair value hierarchy our financial assets and liabilities accounted for at fair value on a recurring basis at April 27, 2013 and April 28, 2012 according to the valuation techniques we used to determine their fair values. There have been no transfers of assets or liabilities among the fair value hierarchies presented.

	Fair Value Measurements
	Level 1				Level 2				Total
Balance as of April 27, 2013:
Cash and cash equivalents	$	40,628			$	—			$	40,628
Restricted cash	48				—				48
Available-for-sale securities:
Certificates of deposit	—				4,677				4,677
U.S. Government securities	5,018				—				5,018
U.S. Government sponsored entities	—				4,752				4,752
Municipal obligations	—				9,605				9,605
Derivatives - currency forward contracts	—				7				7
	$	45,694			$	19,041			$	64,735
Balance as of April 28, 2012:
Cash and cash equivalents	$	29,423			$	—			$	29,423
Restricted cash	1,169				—				1,169
Available-for-sale securities:
Certificates of deposit	—				7,657				7,657
U.S. Government securities	7,556				—				7,556
U.S. Government sponsored entities	—				4,505				4,505
Municipal obligations	—				5,540				5,540
Derivatives - currency forward contracts	—				(95		)		(95		)
	$	38,148			$	17,607			$	55,755

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- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258

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