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Stockholders' Equity (Narrative) (Details) (USD $)
In Millions, except Share data
3 Months Ended9 Months Ended
Oct. 02, 2011
Jul. 03, 2011
Apr. 03, 2011
Jan. 02, 2011
Oct. 03, 2010
Jul. 04, 2010
Apr. 04, 2010
Oct. 02, 2011
Aug. 31, 2010
Oct. 23, 2008
Stockholders' Equity Note [Abstract]          
Foreign currency translation adjustments, tax effect of repatriation of cash related to previously unremitted earnings       $ 1.6  
Stock repurchase program, number of shares authorized to be repurchased15,000,000      15,000,000 10,000,000
Stock repurchase program, number of additional shares authorized to be repurchased        5,000,000 
Number of common stock repurchased in open market       4,000,000  
Aggregate cost of repurchased common stock       107.8  
Stock repurchase program, number of shares remained available for repurchase6,000,000      6,000,000  
Repurchased shares of common stock to satisfy statutory tax withholding obligation requirements       84,166  
Aggregate cost of repurchased common stock to satisfy statutory tax withholding obligation requirements       $ 2.2  
Cash dividends (per share)$ 0.07$ 0.07$ 0.07$ 0.07$ 0.07$ 0.07$ 0.07