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Segment Information - Additional Information (Detail)		9 Months Ended
	Apr. 29, 2020 Facility	Sep. 27, 2021 Segment Country
Segment Reporting Information [Line Items]
Number of reportable segments | Segment		2
Number of countries the parent company markets and sells its products | Country		50
Percentage of total net sales, if exceed, the company does not conduct business		10.00%
E-M Solutions
Segment Reporting Information [Line Items]
Number of manufacturing facilities	3
E-M Solutions | Shanghai
Segment Reporting Information [Line Items]
Number of manufacturing facilities	2
E-M Solutions | Shenzhen
Segment Reporting Information [Line Items]
Number of manufacturing facilities	1

X

- Definition

Number of countries the parent company markets and sells its products

+ References

No definition available.

+ Details

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Namespace Prefix:	ttmi_
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Balance Type:	na
Period Type:	duration

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- Definition

Number of manufacturing facilities.

+ References

No definition available.

+ Details

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- Definition

Percentage of net sales, if exceed, the company does not conduct business

+ References

No definition available.

+ Details

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Namespace Prefix:	ttmi_
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Period Type:	duration

X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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X

- Details

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Namespace Prefix:
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X

- Details

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Namespace Prefix:
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