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CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (Parenthetical) - $ / shares | 12 Months Ended
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Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Statement of Stockholders' Equity [Abstract] |  |  |
Cash dividends per share (in dollars per share) | $ 1.80 | $ 1.50 | $ 1.50
Purchase of treasury shares acquired (in shares) | 441,119 | 491,045 | 843,278
Stock plan exercises; shares acquired (in shares) | 88,411 | 90,868 | 27,555
Stock options exercised; shares issued (in shares) | 147,014 | 119,789 | 63,717
Stock awards; shares issued (in shares) | 65,248 | 60,021 | 61,208

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