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



	February 29, 2016
($ in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value		Cash and Cash Equivalents⁽¹⁾		Current Marketable Securities		Noncurrent Marketable Securities
Cash	$	426,916	$	—	$	—		$	426,916	$	426,916	$	—	$	—
Level 1:
Money market funds	124,061		—		—			124,061		124,061		—		—
Level 2:
Corporate bonds	120,895		10		(449		)	120,456		—		96,787		23,669
Tax-exempt municipal bonds	89,047		113		(15		)	89,145		2,395		64,162		22,588
Time deposits	50,392		—		—			50,392		25,154		25,238		—
Other	34,872		5		(16		)	34,861		1,000		28,851		5,010
Total	$	846,183	$	128	$	(480	)	$	845,831	$	579,526	$	215,038	$	51,267



	August 31, 2015
($ in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses			Fair Value		Cash and Cash Equivalents⁽¹⁾		Current Marketable Securities		Noncurrent Marketable Securities
Cash	$	564,225	$	—	$	—		$	564,225	$	564,225	$	—	$	—
Level 1:
Money market funds	107,408		—		—			107,408		107,408		—		—
Level 2:
Corporate bonds	137,283		16		(271		)	137,028		1,823		82,047		53,158
Tax-exempt municipal bonds	97,022		68		(60		)	97,030		2,408		61,530		33,092
Time deposits	50,267		—		—			50,267		25,110		25,157		—
Other	36,634		10		(37		)	36,607		1,100		25,942		9,565
Total	$	992,839	$	94	$	(368	)	$	992,565	$	702,074	$	194,676	$	95,815

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