COMMITMENTS AND CONTINGENCIES (Narrative) (Details) - USD ($)	1 Months Ended	9 Months Ended
	Jan. 31, 2017	May 31, 2018	Aug. 31, 2020	Nov. 30, 2019	May 31, 2019	Aug. 31, 2017
Commitments And Contingencies [Line Items]
Accrual for taxes other than income taxes, Current		$ 3,000,000				$ 3,400,000
Contractual obligation		7,900,000				7,900,000
Land purchase option agreement		545,000				545,000
Land under purchase options, Not recorded		14,400,000
Provisional assessments		2,800,000
Additional provisional assessment		5,600,000
Income taxes receivable		21,583,000				16,895,000
Transitional repatriation tax		13,400,000
Expected credit to offset Transition Tax		$ 10,000,000
Income tax payment period		8 years
Miami-Dade County, Florida [Member]
Commitments And Contingencies [Line Items]
Letter of credit payable to the landlord	$ 500,000
Annual decrease in LOC		$ 125,000
Unknown Country [Member]
Commitments And Contingencies [Line Items]
Deferred tax assets, net		2,200,000				2,000,000
Income taxes receivable		$ 5,500,000				$ 4,300,000
Mexico [Member]
Commitments And Contingencies [Line Items]
Distribution contract expiration		Aug. 31, 2020
Scenario, Forecast [Member]
Commitments And Contingencies [Line Items]
Purchase commitment, Remaining minimum amount committed				$ 186,000	$ 372,000
Scenario, Forecast [Member] | Mexico [Member]
Commitments And Contingencies [Line Items]
Purchase commitment, Remaining minimum amount committed			$ 373,000
Aeropost, Inc [Member]
Commitments And Contingencies [Line Items]
Income tax contingencies		$ 3,100,000