CHANGES IN BUSINESS - Narrative (Details) - USD ($) $ in Thousands			1 Months Ended		3 Months Ended		9 Months Ended
	Apr. 25, 2022	Sep. 29, 2021	Jun. 30, 2022	Jan. 31, 2022	May 31, 2023	May 31, 2022	May 31, 2023	May 31, 2022
Business Acquisition [Line Items]
Cost of goods sold					$ 1,862,299	$ 1,956,459	$ 5,203,476	$ 5,157,834
Amortization					6,600		18,900
Payments to acquire asset			$ 14,500	$ 7,500
Restricted cash					3,196	126,264	3,196	126,264
Rancho Cucamonga Facilities
Business Acquisition [Line Items]
Proceeds from sale of assets		$ 313,000
Restricted cash		$ 39,000				31,500		31,500
Tensar
Business Acquisition [Line Items]
Cash acquired	$ 19,551
Consideration transferred	$ 550,000
Non-recurring acquisition and integration costs						4,500		7,600
Cost of goods sold					$ 2,200		$ 2,200
Amortization						$ 1,900		$ 8,100