SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS AND RESERVES (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 29, 2019	Sep. 30, 2018	Oct. 01, 2017
Allowance for doubtful accounts
Changes in valuation and qualifying accounts and reserves
Balance at Beginning of Period	$ 37,580	$ 32,259	$ 35,233
Charged to Costs, Expenses and Revenue	16,964	7,167	2,848
Deductions	(6,147)	(4,485)	(6,233)
Other	5,174	2,639	411
Balance at End of Period	53,571	37,580	32,259
Income tax valuation allowance
Changes in valuation and qualifying accounts and reserves
Balance at Beginning of Period	21,479	25,326	25,447
Charged to Costs, Expenses and Revenue	255	900	(121)
Deductions	(23,714)	0	0
Other	22,523	(4,747)	0
Balance at End of Period	$ 20,543	$ 21,479	$ 25,326