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CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) $ in Thousands | Total | Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Balance, beginning of period (shares) at Sep. 29, 2017 |  | 9,996,199 |  |  |  |
Balance, beginning of period at Sep. 29, 2017 |  | $ 503 | $ 72,801 | $ 166,905 | $ 4,993 | $ (2,198)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | $ 40,669 |  |  | 40,669 |  |
Dividends declared |  |  |  | (4,746) |  |
Issuance of stock under employee stock purchase plan (shares) |  | 3,365 |  |  |  |
Issuance of stock under employee stock purchase plan |  |  | 154 |  |  |
Award of non-vested shares (shares) |  | 8,859 |  |  |  |
Award of non-vested shares |  |  | (227) |  |  | 227
Stock-based compensation |  |  | 2,297 |  |  |
Currency translation adjustment | (1,005) |  |  |  | (1,005) |
Write off of currency translation adjustment (gain) loss | (2,378) |  |  |  | (2,378) |
Change in pension plans, net of tax (of $593, $288 and $209 respectively) |  |  |  |  | 1,877 |
Non-vested stock forfeitures |  |  | 0 |  |  | 0
Purchase of treasury stock at cost (shares) |  | (9,377) |  |  |  |
Purchase of treasury stock at cost |  |  |  |  |  | (675)
Balance, end of period (shares) at Sep. 28, 2018 |  | 9,999,046 |  |  |  |
Balance, end of period at Sep. 28, 2018 |  | $ 503 | 75,025 | 202,828 | 3,487 | (2,646)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 51,413 |  |  | 51,413 |  |
Dividends declared |  |  |  | (5,864) |  |
Issuance of stock under employee stock purchase plan (shares) |  | 1,594 |  |  |  |
Issuance of stock under employee stock purchase plan |  |  | 79 |  |  |
Award of non-vested shares (shares) |  | 59,311 |  |  |  |
Award of non-vested shares |  | $ 1 | (1,594) |  |  | 1,593
Stock-based compensation |  |  | 2,346 |  |  |
Currency translation adjustment | (2,245) |  |  |  | (2,245) |
Write off of currency translation adjustment (gain) loss | $ (761) |  |  |  | (761) |
Change in pension plans, net of tax (of $593, $288 and $209 respectively) |  |  |  |  | 1,077 |
Non-vested stock forfeitures (shares) | (4,290) |  |  |  |  |
Purchase of treasury stock at cost (shares) |  | (9,890) |  |  |  |
Purchase of treasury stock at cost |  |  |  |  |  | (708)
Balance, end of period (shares) at Sep. 27, 2019 |  | 10,045,771 |  |  |  |
Balance, end of period at Sep. 27, 2019 | $ 324,534 | $ 504 | 75,856 | 248,377 | 1,558 | (1,761)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 55,233 |  |  | 55,233 |  |
Dividends declared |  |  |  | (7,179) |  |
Issuance of stock under employee stock purchase plan (shares) |  | 2,190 |  |  |  |
Issuance of stock under employee stock purchase plan |  |  | 126 |  |  |
Award of non-vested shares (shares) |  | 43,967 |  |  |  |
Award of non-vested shares |  |  |  |  |  | 1
Stock-based compensation |  |  | 2,686 |  |  |
Currency translation adjustment | 2,533 |  |  |  | 2,533 |
Write off of currency translation adjustment (gain) loss | 0 |  |  |  |  |
Change in pension plans, net of tax (of $593, $288 and $209 respectively) |  |  |  |  | 626 |
Non-vested stock forfeitures (shares) |  |  |  |  |  |
Non-vested stock forfeitures |  |  |  |  |  | 0
Purchase of treasury stock at cost (shares) |  | (7,129) |  |  |  |
Purchase of treasury stock at cost |  |  |  |  |  | (460)
Balance, end of period (shares) at Oct. 02, 2020 |  | 10,084,799 |  |  |  |
Balance, end of period at Oct. 02, 2020 | $ 378,100 | $ 504 | $ 78,668 | $ 296,431 | $ 4,717 | $ (2,220)

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