XML 85 R53.htm IDEA: XBRL DOCUMENT v3.19.3

Share - Based Compensation Plans (Tables)

12 Months Ended

Sep. 27, 2019

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Effects of Stock-Based Compensation Expense Related to Stock-Based Awards to Employees and Nonemployees

The following table shows a summary of share-based compensation expense included in the Consolidated Statements of Operations during the periods presented (in thousands): 

	Fiscal Years
	2019				2018				2017
Cost of revenue	$	2,936			$	3,869			$	3,189
Research and development	8,551				13,448				10,565
Selling, general and administrative	12,305				14,620				22,581
Total	$	23,792			$	31,937			$	36,335

Summary of Stock Option Activity

A summary of stock option activity for fiscal year 2019 is as follows (in thousands, except per share amounts and contractual term):

	Number of Shares			Weighted-Average Exercise Price per Share				Weighted-Average Remaining Contractual Term (in Years)		Aggregate Intrinsic Value
Options outstanding - September 28, 2018	1,408			$	32.05
Granted	585			15.44
Exercised	(119	)		13.48
Forfeited, canceled or expired	(1,497	)		31.68
Options outstanding - September 27, 2019	376			$	13.58			7.03		$	3,046
Options vested and expected to vest - September 27, 2019	376			$	13.58			7.03		$	3,046
Options exercisable - September 27, 2019	91			$	9.82			2.48		$	1,081

Weighted Average Assumptions used for Calculating Fair Value of Stock Options Granted

The weighted average Monte Carlo input assumptions used for calculating the fair value of these market-based stock options are as follows:

	Fiscal Years
	2019			2018			2017
Risk-free interest rate	2.8	%		2.3	%		1.9	%
Expected term (years)	3.9			3.4			7.0
Expected volatility	51.9	%		45.8	%		32.3	%
Target price	$53.87			$98.99			$67.39

The assumptions used to value the awards are as follows:

	Fiscal Year
	2019
Risk free interest rate	1.9	%
Years to maturity	3.33
Expected volatility rate	61.5	%
Dividend yield	—

Summary of Restricted Stock Awards and Unit Activity

A summary of restricted stock awards and units activity for fiscal year 2019 is as follows (in thousands):

	Number of Shares			Weighted-Average Grant Date Fair Value				Aggregate Intrinsic Value
Issued and unvested - September 28, 2018	1,872			$	34.15			$	38,452
Granted	2,977			18.18
Vested	(673	)		34.87
Forfeited, canceled or expired	(1,563	)		24.06
Issued and unvested - September 27, 2019	2,613			21.81				$	56,649

X

- References

No definition available.

+ Details

Name:	us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901

+ Details

Name:	us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration