Summary of Significant Accounting Policies - Effects of Adoption on Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Nov. 30, 2018
ASSETS
Accounts receivable, net		$ 3,640,431
Receivables from vendors, net	$ 368,505	351,744
Inventories	2,547,224	2,392,559
Other current assets		313,616
LIABILITIES AND EQUITY
Other accrued liabilities	723,716	672,635
Deferred tax liabilities	222,210	206,916
Retained earnings	$ 2,624,680	2,198,621
Accounting Standards Update 2014-09 | As Reported
ASSETS
Accounts receivable, net		3,855,431
Receivables from vendors, net		0
Inventories		2,518,319
Other current assets		261,536
LIABILITIES AND EQUITY
Other accrued liabilities		613,449
Deferred tax liabilities		206,024
Retained earnings		2,195,635
Accounting Standards Update 2014-09 | Adjustments for ASC Topic 606
ASSETS
Accounts receivable, net		(215,000)
Receivables from vendors, net		351,744
Inventories		(125,760)
Other current assets		52,080
LIABILITIES AND EQUITY
Other accrued liabilities		59,186
Deferred tax liabilities		892
Retained earnings		$ 2,986