The following summarizes our cash and cash equivalents, restricted cash and cash equivalents and marketable securities by significant financial instrument category as of the respective periods:



	February 28, 2015
($ in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value		Cash and Cash Equivalents⁽¹⁾		Current Marketable Securities		Noncurrent Marketable Securities
Cash	$	657,122	$	—	$	—		$	657,122	$	657,122	$	—	$	—
Level 1:
Money market funds	108,666		—		—			108,666		108,666		—		—
Level 2:
Corporate bonds	128,979		62		(180		)	128,861		—		80,069		48,792
Tax-exempt municipal bonds	76,244		79		(199		)	76,124		202		63,479		12,443
Time deposits	50,180		—		—			50,180		25,075		25,105		—
Other	39,001		8		(56		)	38,953		—		25,092		13,861
Total	$	1,060,192	$	149	$	(435	)	$	1,059,906	$	791,065	$	193,745	$	75,096



	August 31, 2014
($ in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value		Cash and Cash Equivalents⁽¹⁾		Current Marketable Securities		Noncurrent Marketable Securities
Cash	$	1,295,395	$	—	$	—		$	1,295,395	$	1,295,395	$	—	$	—
Level 1:
Money market funds	132,508		—		—			132,508		132,508		—		—
Level 2:
Tax-exempt municipal bonds	106,543		155		(11		)	106,687		—		78,443		28,244
Corporate bonds	106,575		123		(52		)	106,646		—		56,837		49,809
Time deposits	50,100		—		—			50,100		25,041		25,059		—
Commercial paper	11,793		1		—			11,794		—		11,794		—
Other	19,155		1		(1		)	19,155		4		15,339		3,812
Level 3:
Auction-rate securities⁽²⁾	6,850		—		(904		)	5,946		—		—		5,946
Total	$	1,728,919	$	280	$	(968	)	$	1,728,231	$	1,452,948	$	187,472	$	87,811

⁽¹⁾ Cash and cash equivalents includes restricted cash and cash equivalents.

⁽²⁾ Auction-rate securities were redeemed at par value during the second quarter of fiscal year 2015.