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Note 12 - Changes to the Components of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 26, 2020
Dec. 29, 2019
Dec. 28, 2019
Balance $ 809,498 $ 833,751 $ 833,751
Other comprehensive income 2,279 810  
Balance 808,289   842,520
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]      
Balance (15,587) (12,988) (12,988)
Other comprehensive income 2,279   810
Balance (13,308)   (12,178)
AOCI Attributable to Parent [Member]      
Balance (15,587) $ (12,988) (12,988)
Other comprehensive income 2,279   810
Balance $ (13,308)   $ (12,178)