COMMITMENTS AND CONTINGENCIES - Lease Cost (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 01, 2021	Jan. 03, 2020
Commitments and Contingencies Disclosure [Abstract]
Operating lease cost	$ 8.6	$ 7.8
Finance lease cost:
Amortization of right-of-use assets	0.2	0.1
Interest on lease liabilities	0.1	0.1
Variable lease cost	3.7	4.5
Total lease cost	$ 12.6	$ 12.5

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- Definition

Amount of interest expense on finance lease liability.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980

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Amount of amortization expense attributable to right-of-use asset from finance lease.

+ References

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- Definition

Amount of lease cost recognized by lessee for lease contract.

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-Publisher FASB
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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

+ References

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