RESTRUCTURING CHARGES - Summary of the Restructuring and Other Related Charges (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	$ 5,909	$ 4,081	$ 12,391	$ 14,662
Personnel related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	1,613	698	3,751	1,782
Facilities & Exit Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	3,857	2,190	6,146	8,997
Facility and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	439	1,193	2,494	3,883
Cost of goods and services
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	2,441	696	5,218	4,574
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges	$ 3,468	$ 3,385	$ 7,173	$ 10,088