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Average Shares Outstanding (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Average Shares Outstanding
Stock purchases (in shares)	179,000	75,000
Purchase of common shares	$ 4,247	$ 2,163
Stock dividends (as a percent)	3.00%	3.00%

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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