TECHNICAL PACKAGING DIVESTITURE (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2019 USD ($) item	Dec. 31, 2018 USD ($)	Sep. 30, 2019 USD ($)
TECHNICAL PACKAGING DIVESTITURE
Net proceeds from sale of discontinued operations	$ 183,997
After-tax gain on the sale of business	76,614
Assets:
Current assets			$ 25,314
Liabilities:
Current liabilities			11,517
Other liabilities			3,999
Disposed of by Sale | Technical Packaging Business
TECHNICAL PACKAGING DIVESTITURE
Pretax loss recorded in discontinued operations	300	$ 100
Net sales	16,500	$ 19,200
Net proceeds from sale of discontinued operations	184,000
After-tax gain on the sale of business	$ 76,600
Assets:
Accounts receivable, net			15,700
Contract assets, net			5,100
Inventories			3,900
Other current assets			600
Current assets			25,300
Property, plant & equipment, net			33,600
Intangible assets, net			11,400
Goodwill			19,000
Other assets			3,400
Total assets			92,700
Liabilities:
Accounts payable			7,600
Accrued expenses and other current liabilities			3,900
Current liabilities			11,500
Other liabilities			4,000
Total liabilities			$ 15,500
Disposed of by Sale | Technical Packaging Business | Sonoco Products Company
TECHNICAL PACKAGING DIVESTITURE
Number of wholly-owned subsidiaries of the buyers | item	2