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Common Stock Repurchases (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended
	Mar. 09, 2011	Apr. 01, 2012
Common Stock Repurchases (Textual) [Abstract]
Maximum amount authorized under stock repurchase program	$ 750.0
Repurchase of shares, shares		4.6
Repurchase of shares		38.2
Value of shares remaining under stock repurchase program		$ 213.0

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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