LEASES (Other Information Related to Operating Leases) (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Jan. 01, 2021	Oct. 01, 2021
Operating leases:
Operating lease ROU assets	$ 47,443	$ 38,784	$ 49,032
Current operating lease liabilities	5,646	6,411	5,938
Non-current operating lease liabilities	42,817	33,260	$ 44,056
Total operating lease liabilities	$ 48,463	$ 39,671
Weighted average remaining lease term (in years)	12 years 1 month 24 days	9 years 10 months 17 days
Weighted average discount rate	3.09%	2.84%
Cash paid for amounts included in the measurement of lease liabilities	$ 1,875	$ 1,857