CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) (USD $)	9 Months Ended
Sep. 24, 2011	Sep. 25, 2010
CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY
Cash dividends, per share (in dollars per share)	$ 0.525	$ 0.480
Purchase of treasury shares, shares	53,847	12,351
Stock options exercised; shares issued	291,208	84,900
Stock plan exercises; shares purchased	181,603	29,095
Stock awards; shares issued	2,992	9,088

Aggregate dividends paid during the period for each share of common stock outstanding.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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