Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 25, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, Beginning Of Period	$ (10,030)	$ (10,594)
Unrealized Gains (Losses)	(509)	880
Income Tax Effect - Benefit/(Expense)	(83)	(519)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(1,782)	8,838
Realized (Gains) - Investment Securities	277	1,389
Income Tax Effect - (Benefit)/Expense	14	(241)
Net Of Tax	291	1,148
Net current-period other comprehensive income/(loss)	(1,491)	9,986
Balance, End Of Period	(11,521)	(608)
Unrealized Gains/Losses On Available-For-Sale Securities [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, Beginning Of Period	220	818
Unrealized Gains (Losses)	(962)	(184)
Income Tax Effect - Benefit/(Expense)	0	4
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(962)	(180)
Realized (Gains) - Investment Securities	462	17
Income Tax Effect - (Benefit)/Expense	(4)	(2)
Net Of Tax	458	15
Net current-period other comprehensive income/(loss)	(504)	(165)
Balance, End Of Period	(284)	653
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, Beginning Of Period	(122)	3,969
Unrealized Gains (Losses)	453	1,064
Income Tax Effect - Benefit/(Expense)	(49)	(51)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	404	1,013
Realized (Gains) - Investment Securities	(185)	1,372
Income Tax Effect - (Benefit)/Expense	18	(239)
Net Of Tax	(167)	1,133
Net current-period other comprehensive income/(loss)	237	2,146
Balance, End Of Period	115	6,115
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance, Beginning Of Period	(10,128)	(15,381)
Unrealized Gains (Losses)	(1,190)	8,477
Income Tax Effect - Benefit/(Expense)	(34)	(472)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	(1,224)	8,005
Net current-period other comprehensive income/(loss)	(1,224)	8,005
Balance, End Of Period	$ (11,352)	$ (7,376)