Segment Information - Summary of Financial Information Related to Company's Reportable Business Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Segment Reporting Information [Line Items]
Total revenue	$ 23,757,293	$ 19,767,945	$ 16,771,128
Operating income	813,761	550,236	507,337
Depreciation and amortization expense	372,108	225,287	159,886
Total assets	11,697,960	11,543,498	7,756,343
Intersegment Eliminations
Segment Reporting Information [Line Items]
Total revenue	(20,589)	(18,369)	(15,665)
Operating income	0	0	1,472
Depreciation and amortization expense	0		(23)
Total assets	(3,260,027)	(3,440,779)	(1,104,086)
Technology Solutions
Segment Reporting Information [Line Items]
Total revenue	19,069,970	17,323,163	14,796,613
Operating income	519,429	405,475	391,242
Depreciation and amortization expense	66,329	70,688	30,040
Total assets	10,312,512	10,207,964	7,182,701
Technology Solutions | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	19,069,966	17,323,078	14,796,299
Concentrix
Segment Reporting Information [Line Items]
Total revenue	4,707,912	2,463,151	1,990,180
Operating income	294,332	144,761	114,623
Depreciation and amortization expense	305,779	154,599	129,869
Total assets	4,645,475	4,776,313	1,677,728
Concentrix | Operating Segments
Segment Reporting Information [Line Items]
Total revenue	$ 4,687,327	$ 2,444,867	$ 1,974,829