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Comprehensive Income (Tables)
6 Months Ended
Jul. 01, 2011
Comprehensive Income [Abstract]  
Summary of comprehensive income, net of tax
                                 
    Three Months Ended     Six Months Ended  
    July 1,     July 2,     July 1,     July 2,  
(In millions)   2011     2010     2011     2010  
Net income
  $ 52.1     $ 34.6     $ 96.4     $ 40.5  
Foreign currency translation
    5.5       (20.0 )     22.3       (13.0 )
Changes in unrealized pension cost
    0.8       1.0       2.3       3.1  
Changes in fair market value of derivatives
    0.2       0.6       0.8       (0.3 )
 
                       
Comprehensive income
  $ 58.6     $ 16.2     $ 121.8     $ 30.3