Fair Value Measurements (Tables)


	As of November 30, 2012
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	427,952		$	―		$	427,952
Mutual fund investments		3,793			―			3,793
Derivative instruments		―			―			―
Total assets at fair value	$	431,745		$	―		$	431,745

Percent of total assets at fair value		100.0	%		―	%		100.0	%
Percent of total assets		4.6	%		―	%		4.6	%

Liabilities:
Derivative instruments	$	―		$	1,512		$	1,512
Total liabilities at fair value	$	―		$	1,512		$	1,512

Percent of total liabilities		―	%		―	%		―	%


	As of February 29, 2012
(In thousands)	Level 1			Level 2			Total
Assets:
Money market securities	$	458,090		$	―		$	458,090
Mutual fund investments		2,586			―			2,586
Derivative instruments		―			317			317
Total assets at fair value	$	460,676		$	317		$	460,993

Percent of total assets at fair value		99.9	%		0.1	%		100.0	%
Percent of total assets		5.5	%		―	%		5.5	%

Liabilities:
Derivative instruments	$	―		$	1,978		$	1,978
Total liabilities at fair value	$	―		$	1,978		$	1,978

Percent of total liabilities		―	%		―	%		―	%

Tabular disclosure related to assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a recurring and/or nonrecurring basis in periods after initial recognition. Disclosures include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3) as well as transfers between levels 1 and 2.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 6

-Footnote 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a,b,bb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2C

-URI http://asc.fasb.org/extlink&oid=7578670&loc=SL7498348-110258

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19279-110258

Reference 6: 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

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 33

-Subparagraph a, b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details