Fair Value Measurements (Tables)

9 Months Ended

Dec. 28, 2013

Fair Value Disclosures [Abstract]

Fair Value Hierarchy for Financial Assets Measured at Fair Value on Recurring Basis

The Company’s fair value hierarchy for its financial assets measured at fair value on a recurring basis as of December 28, 2013 and March 30, 2013 was as follows (in thousands):

December 28, 2013	Level 1		Level 2			Level 3		Total
Money market securities	$	3,724	$	—		$	—	$	3,724
Commercial paper	—		20,447			—		20,447
Corporate Bonds	—		18,550			—		18,550
Municipal bonds	—		14,461			—		14,461
Government agencies	—		8,034			—		8,034
Forward purchase or (sale) contracts:
Japanese Yen	—		108			—		108
New Taiwan Dollar	—		(5		)	—		(5		)
Korean Won	—		33			—		33
Euro	—		(129		)	—		(129		)
British Pound	—		29			—		29
Chinese Renminbi	—		(18		)	—		(18		)
Singapore Dollar	—		(3		)	—		(3		)

March 30, 2013	Level 1		Level 2			Level 3		Total
Money market securities	$	9,457	$	—		$	—	$	9,457
Commercial paper	—		51,443			—		51,443
Government agencies	—		29,646			—		29,646
Corporate bonds	—		18,396			—		18,396
Municipal bonds	—		3,389			—		3,389
Forward purchase or (sale) contracts:
Japanese Yen	—		176			—		176
New Taiwan Dollar	—		(10		)	—		(10		)
Korean Won	—		(46		)	—		(46		)
Euro	—		100			—		100
British Pound	—		38			—		38
Chinese Renminbi	—		(1		)	—		(1		)
Singapore Dollar	—		(12		)	—		(12		)

Investments

Certain information regarding the Company’s investments at December 28, 2013 and March 30, 2013 was as follows (in thousands):

			Unrealized
December 28, 2013	Cost		Gain		Loss			Fair Value
Available-for-sale securities (current):
Commercial paper	$	20,447	$	—	$	—		$	20,447
Corporate Bonds	18,549		1		—			18,550
Municipal Bonds	10,428		7		—			10,435
Government agencies	6,035		1		—			6,036
	$	55,459	$	9	$	—		$	55,468
Available-for-sale securities (non-current):
Municipal Bonds	$	4,019	$	7	$	—		$	4,026
Government agencies	1,998		—		—			1,998
	$	6,017	$	7	$	—		$	6,024
			Unrealized
March 30, 2013	Cost		Gain		Loss			Fair Value
Available-for-sale securities (current):
Commercial paper	$	51,443	$	—	$	—		$	51,443
Government agencies	26,556		8		—			26,564
Corporate Bonds	10,473		7		—			10,480
Municipal Bonds	2,058		—		—			2,058
	$	90,530	$	15	$	—		$	90,545
Available-for-sale securities (non-current):
Corporate Bonds	$	7,923	$	—	$	(7	)	$	7,916
Government agencies	3,082		—		—			3,082
Municipal Bonds	1,330		1		—			1,331
	$	12,335	$	1	$	(7	)	$	12,329