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Note 12. Common Stock Repurchases (Detail) (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended	43 Months Ended
	Aug. 28, 2007	Mar. 31, 2013	Mar. 27, 2011
Stock Repurchase Program, Authorized Amount	$ 100
Stock Repurchased During Period, Value			88.2
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 11.8

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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