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Note 4
 9 Months Ended
Jun. 25, 2022
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]

Note 4

Depreciation of equipment and buildings is provided for by the straight-line method over the assets’ estimated useful lives. Amortization of improvements is provided for by the straight-line method over the term of the lease or the assets’ estimated useful lives, whichever is shorter. Licenses and rights, customer relationships, technology, and non-compete agreements arising from acquisitions are amortized by the straight-line method over periods ranging from 2 to 20 years. Depreciation expense was $12,424,000 and $12,025,000 for the three months ended June 25, 2022 and June 26, 2021, respectively and $36,292,000 and $36,278,000 for the nine months ended June 25, 2022 and June 26, 2021, respectively.