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COMMITMENTS AND CONTINGENCIES (Details) $ in Millions	Dec. 28, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Insurance deductible	$ 1

X

- Definition

Insurance deductible

+ References

No definition available.

+ Details

Name:	tdg_Insurancedeductible
Namespace Prefix:	tdg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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