COMMITMENTS AND CONTINGENCIES - (Details) - USD ($) $ in Millions	12 Months Ended
Sep. 27, 2019	Sep. 28, 2018	Sep. 29, 2017
Commitments and Contingencies Disclosure [Abstract]
Future minimum payments due, next twelve months	$ 7.5
Future minimum payments, due in two years	5.4
Future minimum payments, due in three years	4.7
Future minimum payments, due in four years	1.8
Future minimum payments, due in five years	0.9
Future minimum payments, due thereafter	0.2
Operating leases, rent expense	5.1	$ 5.3	$ 4.0
Environment liabilities	$ 0.9	$ 1.3

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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