Payments For Restructuring And Restructuring Reserve, Adjustments

No definition available.

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Namespace Prefix:	dlb_
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Balance Type:	debit
Period Type:	duration

- Definition

Restructuring, Number Of Employees Impacted

+ References

No definition available.

+ Details

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- Definition

Restructuring Reserve, Settled without Cash and Other Adjustments

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 17
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Details

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- Details

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Period Type:

Restructuring (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
Restructuring (Details) $ in Thousands	Mar. 26, 2021 USD ($)	Mar. 27, 2020 USD ($)	Mar. 26, 2021 USD ($) employee	Mar. 27, 2020 USD ($)	Sep. 25, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			$ 0	$ 15,851	$ 15,851
Restructuring charges/(credits)	$ 741	$ (331)	10,764	344	1,821
Cash payments					(22,194)
Non-cash and other adjustments					4,522
Cash payments and adjustments			(8,331)
Restructuring reserve, ending balance	2,433		2,433		0
Severance
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			0	128	128
Restructuring charges/(credits)			9,437	9,400	0
Cash payments					(75)
Non-cash and other adjustments					(53)
Cash payments and adjustments			(7,708)
Restructuring reserve, ending balance	1,729		$ 1,729		0
Number of employees impacted \| employee			100
Leased facility exit costs and other costs
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance			$ 0	$ 15,723	15,723
Restructuring charges/(credits)			1,327		1,821
Cash payments					(22,119)
Non-cash and other adjustments					4,575
Cash payments and adjustments			(623)
Restructuring reserve, ending balance	$ 704		$ 704		$ 0