Fair Value (Tables)

3 Months Ended

Jan. 28, 2017

Fair Value Disclosures [Abstract]

Fair Value of Financial Assets and Liabilities

As of January 28, 2017 and October 29, 2016, the Company held $487.6 million and $252.5 million, respectively, of cash and held-to-maturity investments that were excluded from the tables below.

	January 28, 2017
	Fair Value measurement at Reporting Date using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)		Total
Assets
Cash equivalents:
Available-for-sale:
Institutional money market funds	$	2,282,633	$	—	$	—	$	2,282,633
Corporate obligations (1)	—		2,301,646		—		2,301,646
Short-term investments:
Available-for-sale:
Securities with one year or less to maturity:
Corporate obligations (1)	—		1,132,109		—		1,132,109
Floating rate notes (1)	—		113,044		—		113,044
Other assets:
Deferred compensation investments	29,447		—		—		29,447
Forward foreign currency exchange contracts (2)	—		—		—		—
Total assets measured at fair value	$	2,312,080	$	3,546,799	$	—	$	5,858,879
Liabilities
Contingent consideration	—		—		7,639		7,639
Forward foreign currency exchange contracts (2)	—		6,062		—		6,062
Total liabilities measured at fair value	$	—	$	6,062	$	7,639	$	13,701

(1) The amortized cost of the Company’s investments classified as available-for-sale as of January 28, 2017 was $3.5 billion.

(2) The Company has a master netting arrangement by counterparty with respect to derivative contracts. See Note 9, Derivatives, for more information related to the Company's master netting arrangements.

	October 29, 2016
	Fair Value measurement at Reporting Date using:
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Other Unobservable Inputs (Level 3)		Total
Assets
Cash equivalents:
Available-for-sale:
Institutional money market funds	$	277,595	$	—	$	—	$	277,595
Corporate obligations (1)	—		415,660		—		415,660
Short-term investments:
Available-for-sale:
Securities with one year or less to maturity:
Corporate obligations (1)	—		2,518,148		—		2,518,148
Floating rate notes, issued at par	—		29,989		—		29,989
Floating rate notes (1)	—		561,874		—		561,874
Other assets:
Deferred compensation investments	26,916		—		—		26,916
Total assets measured at fair value	$	304,511	$	3,525,671	$	—	$	3,830,182
Liabilities
Contingent consideration	—		—		7,555		7,555
Forward foreign currency exchange contracts (2)	—		5,231		—		5,231
Total liabilities measured at fair value	$	—	$	5,231	$	7,555	$	12,786

(1) The amortized cost of the Company’s investments classified as available-for-sale as of October 29, 2016 was $3.5 billion.

(2) The Company has a master netting arrangement by counterparty with respect to derivative contracts. See Note 9, Derivatives, for more information related to the Company's master netting arrangements.

Fair Value Measurement of Contingent Consideration

The fair value measurement of the contingent consideration encompasses the following significant unobservable inputs:

Unobservable Inputs	Range
Estimated contingent consideration payments	$8,500
Discount rate	0% - 2%
Timing of cash flows	1 - 3 years
Probability of achievement	90% - 100%

Change in Fair Value of Contingent Consideration

The following table summarizes the change in the fair value of the contingent consideration measured using significant unobservable inputs (Level 3) from October 29, 2016 to January 28, 2017:

	Contingent Consideration
Balance as of October 29, 2016	$	7,555
Fair value adjustment (1)	84
Balance as of January 28, 2017	$	7,639

(1) Recorded in research and development expense in the Company's condensed consolidated statements of income.