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Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurement on Company's Assets and Liabilities

The following tables present the Company’s assets and liabilities measured at fair value on a recurring basis as of September 30, 2015 and 2014:

		As of September 30, 2015
		Level 1				Level 2				Level 3				Total
Available-for-sale securities:
Money market funds		$	470,286			$	—			$	—			$	470,286
U.S. government treasuries			117,452				—				—				117,452
Corporate bonds			—				101,603				—				101,603
U.S. agency securities			—				45,181				—				45,181
Asset backed obligations			—				29,215				—				29,215
Commercial paper and certificates of deposit			2,015				25,487				—				27,502
Supranational and sovereign debt			—				10,443				—				10,443
Total available-for-sale securities			589,753				211,929				—				801,682
Derivative financial instruments, net			—				(13,097	)			—				(13,097	)
Other liabilities			—				—				(3,266	)			(3,266	)
Total		$	589,753			$	198,832			$	(3,266	)		$	785,319

		As of September 30, 2014
		Level 1				Level 2				Level 3				Total
Available-for-sale securities:
Money market funds		$	649,745			$	—			$	—			$	649,745
U.S. government treasuries			118,708				—				—				118,708
Corporate bonds			—				102,420				—				102,420
U.S. agency securities			—				41,649				—				41,649
Asset backed obligations			—				29,095				—				29,095
Commercial paper and certificates of deposit			2,007				26,502				—				28,509
Supranational and sovereign debt			—				5,799				—				5,799
Government-guaranteed debt			—				1,187				—				1,187
Mortgages			—				527				—				527
Total available-for-sale securities			770,460				207,179				—				977,639
Derivative financial instruments, net			—				(1,358	)			—				(1,358	)
Other liabilities			—				—				(35,944	)			(35,944	)
Total		$	770,460			$	205,821			$	(35,944	)		$	940,337

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- References

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- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

Reference 1: 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=36462937&loc=d3e19190-110258

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