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Investments & Fair Value Measurements (Tables)

3 Months Ended

Jan. 01, 2016

Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract]

Schedule Of Financial Assets and Liabilities Carried At Fair Value

	January 1, 2016
	Cost			Unrealized										Estimated Fair Value
				Gains			Losses			Total				Level 1			Level 2			Level 3
Cash and cash equivalents:
Cash	$	417,973								$	417,973
Cash equivalents:
Money market funds	49,126			—			—			49,126				49,126
Cash and cash equivalents	467,099			—			—			467,099				49,126			—			—
Short-term investments:
Commercial paper	13,843			—			(11		)	13,832							13,832
Corporate bonds	83,258			9			(103		)	83,164							83,164
Municipal debt securities	42,116			39			(7		)	42,148							42,148
Short-term investments	139,217			48			(121		)	139,144				—			139,144			—
Long-term investments:
Certificate of deposit (1)	8,500			—			—			8,500							8,500
U.S. agency securities	999			1			—			1,000				1,000
Government bonds	30,486			1			(186		)	30,301				30,301
Corporate bonds	149,384			40			(563		)	148,861							148,861
Municipal debt securities	75,035			41			(87		)	74,989							74,989
Other long-term investments (2)	2,812			441			—			3,253				441
Long-term investments	267,216			524			(836		)	266,904				31,742			232,350			—
Total cash, cash equivalents, and investments	$	873,532		$	572		$	(957	)	$	873,147			$	80,868		$	371,494		$	—
Investments held in supplemental retirement plan:
Assets	2,579									2,579				2,579
Included in prepaid expenses and other current assets & other non-current assets
Liabilities	2,579									2,579				2,579
Included in accrued liabilities & other non-current liabilities
Contingent consideration related to acquisition:
Liabilities	95									95										95
Included in accrued liabilities

(1) The certificate of deposit includes marketable securities, and has a maturity in excess of one year as of January 1, 2016.

(2) Other long-term investments as of January 1, 2016 include a marketable equity security of $0.4 million, and other investments that are not carried at fair value including an equity method investment of $0.3 million and two cost method investments of $2.0 million and $0.5 million.

Our cash and investment portfolio, which is recorded as cash equivalents and both short and long-term investments, consists of the following (in thousands):

	January 1, 2016
	Cost			Unrealized										Estimated Fair Value
				Gains			Losses			Total				Level 1			Level 2			Level 3
Cash and cash equivalents:
Cash	$	417,973								$	417,973
Cash equivalents:
Money market funds	49,126			—			—			49,126				49,126
Cash and cash equivalents	467,099			—			—			467,099				49,126			—			—
Short-term investments:
Commercial paper	13,843			—			(11		)	13,832							13,832
Corporate bonds	83,258			9			(103		)	83,164							83,164
Municipal debt securities	42,116			39			(7		)	42,148							42,148
Short-term investments	139,217			48			(121		)	139,144				—			139,144			—
Long-term investments:
Certificate of deposit (1)	8,500			—			—			8,500							8,500
U.S. agency securities	999			1			—			1,000				1,000
Government bonds	30,486			1			(186		)	30,301				30,301
Corporate bonds	149,384			40			(563		)	148,861							148,861
Municipal debt securities	75,035			41			(87		)	74,989							74,989
Other long-term investments (2)	2,812			441			—			3,253				441
Long-term investments	267,216			524			(836		)	266,904				31,742			232,350			—
Total cash, cash equivalents, and investments	$	873,532		$	572		$	(957	)	$	873,147			$	80,868		$	371,494		$	—
Investments held in supplemental retirement plan:
Assets	2,579									2,579				2,579
Included in prepaid expenses and other current assets & other non-current assets
Liabilities	2,579									2,579				2,579
Included in accrued liabilities & other non-current liabilities
Contingent consideration related to acquisition:
Liabilities	95									95										95
Included in accrued liabilities

(1) The certificate of deposit includes marketable securities, and has a maturity in excess of one year as of January 1, 2016.

(2) Other long-term investments as of January 1, 2016 include a marketable equity security of $0.4 million, and other investments that are not carried at fair value including an equity method investment of $0.3 million and two cost method investments of $2.0 million and $0.5 million.

	September 25, 2015
	Cost			Unrealized										Estimated Fair Value
				Gains			Losses			Total				Level 1			Level 2			Level 3
Cash and cash equivalents:
Cash	$	511,736								$	511,736
Cash equivalents:
Money market funds	19,014			—			—			19,014				19,014
Corporate bonds	1,176			—			—			1,176							1,176
Cash and cash equivalents	531,926			—			—			531,926				19,014			1,176			—
Short-term investments:
Government bonds	2,000			1			—			2,001				2,001
Commercial paper	6,478			—			—			6,478							6,478
Corporate bonds	86,543			46			(11		)	86,578							86,578
Municipal debt securities	43,746			98			—			43,844							43,844
Short-term investments	138,767			145			(11		)	138,901				2,001			136,900			—
Long-term investments:
U.S. agency securities	1,999			1			—			2,000				2,000
Government bonds	30,505			19			(17		)	30,507				30,507
Corporate bonds	167,394			138			(392		)	167,140							167,140
Municipal debt securities	117,552			189			(60		)	117,681							117,681
Other long-term investments (1)	2,961			726			—			3,687				726
Long-term investments	320,411			1,073			(469		)	321,015				33,233			284,821			—
Total cash, cash equivalents, and investments	$	991,104		$	1,218		$	(480	)	$	991,842			$	54,248		$	422,897		$	—
Investments held in supplemental retirement plan:
Assets	2,498									2,498				2,498
Included in prepaid expenses and other current assets & other non-current assets
Liabilities	2,498									2,498				2,498
Included in accrued liabilities & other non-current liabilities
Contingent consideration related to acquisition:
Liabilities	95									95										95
Included in accrued liabilities

(1) Other long-term investments as of September 25, 2015 include a marketable equity security of $0.7 million, and other investments that are not carried at fair value including an equity method investment of $0.5 million and two cost method investments of $2.0 million and $0.5 million.

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value

The following table presents the gross unrealized losses and fair value for those available-for-sale securities that were in an unrealized loss position as of January 1, 2016 and September 25, 2015 (in thousands):

	January 1, 2016							September 25, 2015
Investment Type	Fair Value			Gross Unrealized Losses (1)				Fair Value			Gross Unrealized Losses (1)
U.S. agency securities	$	29,302		$	(186	)		$	19,005		$	(17	)
Commercial paper	13,832			(11		)		—			—
Corporate bonds	195,014			(666		)		148,034			(403		)
Municipal debt securities	60,886			(94		)		35,476			(60		)
Total	$	299,034		$	(957	)		$	202,515		$	(480	)

(1) Our available-for-sale securities in an unrealized loss position were in such position for less than twelve months as of both January 1, 2016 and September 25, 2015.

Available-for-sale Securities

The following table summarizes the amortized cost and estimated fair value of the available-for-sale securities within our investment portfolio based on stated maturities as of January 1, 2016 and September 25, 2015, which are recorded within cash equivalents and both short and long-term investments in our consolidated balance sheets (in thousands):

	January 1, 2016							September 25, 2015
Range of maturity	Amortized Cost			Fair Value				Amortized Cost			Fair Value
Due within 1 year	$	187,978		$	187,904			$	158,957		$	159,090
Due in 1 to 2 years	133,489			133,256				173,571			173,577
Due in 2 to 3 years	130,915			130,395				143,879			143,752
Total	$	452,382		$	451,555			$	476,407		$	476,419

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- Definition

Tabular disclosure of fair value of investments in debt and equity securities in an unrealized loss position categorized neither as held-to-maturity nor trading securities.

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Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 320
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803

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-Publisher FASB
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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).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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-Section 50
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