SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property, Plant and Equipment Useful Life (Details)	Nov. 30, 2025
Equipment and furniture \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	3 years
Equipment and furniture \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	10 years
Software \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	3 years
Software \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	7 years
Leasehold improvements \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	2 years
Leasehold improvements \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	15 years
Buildings, building improvements, and leasehold improvements \| Minimum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	10 years
Buildings, building improvements, and leasehold improvements \| Maximum
Property, Plant and Equipment [Line Items]
Property, plant and equipment useful life	39 years

Concentrix Corp 10-K