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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
	Jul. 02, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Significant Accounting Policies [Line Items]
Percentage of annual net sales from combined second and third quarter sales	75.00%
Advertising expenses		$ 120.3	$ 165.7	$ 147.4
Research and development charge		45.3	45.4	39.7
Product registration costs		13.0	12.3	11.0
Adjustment to reflect inventories at net realizable values		118.8	22.5
Interest capitalized on capital projects		2.2	0.8	0.4
Noncash investing activities for unpaid liabilities incurred		33.3	41.6	26.4
Recognition of accumulated foreign currency translation loss		1.3	(1.8)	0.9
Operating lease right-of-use assets		288.9	293.0
Current lease liabilities		76.2	66.4
Non-current operating lease liabilities		$ 223.2	$ 234.4
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]		Other Liabilities, Current	Other Liabilities, Current
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]		Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Other investing, net		$ 29.3	$ (8.7)	(2.9)
Officer \| Options \| Project Focus
Significant Accounting Policies [Line Items]
Expiration period (in years)		10 years
Director
Significant Accounting Policies [Line Items]
Award vesting period (in years)		1 year
Minimum
Significant Accounting Policies [Line Items]
Award vesting period (in years)		3 years
Expected forfeiture rate		15.00%
Intangible assets amortization period		3 years
Minimum \| Software
Significant Accounting Policies [Line Items]
Intangible assets amortization period		3 years
Minimum \| Officer \| Performance units \| Project Focus
Significant Accounting Policies [Line Items]
Vesting percent of target award		50.00%
Maximum
Significant Accounting Policies [Line Items]
Award vesting period (in years)		5 years
Intangible assets amortization period		25 years
Maximum \| Software
Significant Accounting Policies [Line Items]
Intangible assets amortization period		7 years
Maximum \| Officer \| Performance units \| Project Focus
Significant Accounting Policies [Line Items]
Vesting percent of target award		250.00%
Other Nonoperating Income (Expense)
Significant Accounting Policies [Line Items]
Interest income on loans receivable		$ 2.7	$ 3.8	$ 7.6