Document and Entity Information - USD ($) $ in Millions	12 Months Ended
	Feb. 01, 2020	Mar. 20, 2020	Aug. 03, 2019
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Feb. 01, 2020
Entity File Number	1-16097
Entity Registrant Name	TAILORED BRANDS, INC.
Entity Incorporation, State or Country Code	TX
Entity Tax Identification Number	47-4908760
Entity Address, Address Line One	6380 Rogerdale Road
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77072-1624
City Area Code	281
Local Phone Number	776-7000
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 230.8
Entity Common Stock, Shares Outstanding		48,573,132
Entity Central Index Key	0000884217
Current Fiscal Year End Date	--02-01
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Amendment Flag	false
Common Stock
Title of 12(b) Security	Common Stock, par value $.01 per share
Trading Symbol	TLRD
Security Exchange Name	NYSE
Preferred Stock Purchase Rights [Member]
Title of 12(b) Security	Preferred Stock Purchase Rights
No Trading Symbol Flag	true
Security Exchange Name	NYSE