LEASES - Narrative (Details) $ in Millions	Jan. 01, 2022 USD ($)
Leases [Abstract]
Lease not yet commenced	$ 0.0

Lessee, Operating Lease, Lease Not Yet Commenced, Undiscounted Amount

No definition available.

Name:	ktb_LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount
Namespace Prefix:	ktb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant