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Stock Repurchase Program (Details) (USD $)	1 Months Ended		6 Months Ended
Stock Repurchase Program (Details) (USD $)	Apr. 30, 2008	Jul. 03, 2011	Jul. 03, 2011 Common Stock [Member]
Stock Repurchase Program (Textuals) [Abstract]
Repurchase of shares			0
Maximum repurchase of common stock	$ 50,000,000
Common stock repurchased, shares		1,038,797
Common stock repurchased, value		$ 20,000,000

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern 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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