Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES (Narrative) (Details)

v3.19.1
COMMITMENTS AND CONTINGENCIES (Narrative) (Details)
ft² in Millions
 1 Months Ended 12 Months Ended
Jun. 30, 2018
employee
Aug. 31, 2017
employee
Jul. 31, 2017
employee
Jun. 30, 2017
USD ($)
May 31, 2017
ft²
option
Feb. 02, 2019
USD ($)
letter_of_credit
Operating Lease Commitments [Abstract]            
Expected future minimum sublease rentals           $ 1,200,000
Letters of Credit [Abstract]            
Letters of Credit Outstanding, Number | letter_of_credit           3
Letter of Credit Reimbursement and Security Agreement capacity           $ 125,000,000.0
Second Letter of Credit Reimbursement and Security Agreement amount           120,000,000.0
Third Letter of Credit Reimbursement and Security Agreement Amount           110,000,000.0
Committed to letters of credit           166,400,000
Stand-by letters of credit           182,900,000
Surety Bonds [Abstract]            
Surety bonds           66,200,000
Build-to-Suit Lease and Related Bonds            
Area of distribution center to be constructed under the Missouri Lease (sq ft) | ft²         1.2  
Number of options to extend the Missouri Lease term | option         2  
Term of optional extension to the Missouri Lease         10 years  
Payments to Acquire Projects           110,200,000
Dollar Tree Resolved Matters            
Number of plaintiffs that have filed suit | employee 43 43 2      
Telecom Contracts [Member]            
Communications and Information Technology [Abstract]            
Total commitment           $ 176,100,000
Settled Litigation [Member] | Suit Against Sycamore Partners And Dollar Express [Member]            
Dollar Tree Resolved Matters            
Settlement received       $ 35,000,000