Restricted Stock Units Activity (Parenthetical) (Detail)	12 Months Ended
Jan. 03, 2022
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested and expected to vest, year	2024

Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested and expected to vest over year.

No definition available.

Name:	ttmi_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOverYear
Namespace Prefix:	ttmi_
Data Type:	xbrli:gYearItemType
Balance Type:	na
Period Type:	duration