The following tables summarize the Company’s cash and available-for-sale securities’ adjusted cost, gross unrealized gains, gross unrealized losses, and fair value by significant investment category recorded as cash and cash equivalents, short-term, or long-term investments as of June 30, 2014 and March 31, 2014 (in thousands):



June 30, 2014	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash & Cash Equivalents		Short-term investments (due in 1 year or less)		Long-term investments (due in 1 to 3 years)
Cash	$	230,752	$	—	$	—		$	230,752	$	230,752	$	—	$	—
Level 1:
Mutual Funds	3,418		126		—			3,544		—		3,544		—
Level 2:
Government Agency Securities	51,329		48		(7		)	51,370		—		5,812		45,558
Commercial Paper	55,762		12		—			55,774		4,498		51,276		—
Corporate Bonds	94,537		245		(3		)	94,779		—		31,553		63,226
Certificates of Deposits ("CDs")	1,002		—		—			1,002		—		1,002		—
Subtotal	202,630		305		(10		)	202,925		4,498		89,643		108,784

Total cash, cash equivalents and investments measured at fair value	$	436,800	$	431	$	(10	)	$	437,221	$	235,250	$	93,187	$	108,784



March 31, 2014	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Cash & Cash Equivalents		Short-term investments (due in 1 year or less)		Long-term investments (due in 1 to 3 years)
Cash	$	232,704	$	—	$	—		$	232,704	$	232,704	$	—	$	—
Level 1:
Mutual Funds	1,779		31		(3		)	1,807		—		1,807		—
Level 2:
Government Agency Securities	53,976		43		(9		)	54,010		—		21,325		32,685
Commercial Paper	47,766		7		—			47,773		—		47,773		—
Corporate Bonds	98,289		195		(17		)	98,467		—		30,810		67,657
CDs	1,002		—		—			1,002		—		1,002		—
Subtotal	201,033		245		(26		)	201,252		—		100,910		100,342

Total cash, cash equivalents and investments measured at fair value	$	435,516	$	276	$	(29	)	$	435,763	$	232,704	$	102,717	$	100,342