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Earnings Per Share (Narrative) (Detail)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jul. 04, 2014
Jun. 28, 2013
Jul. 04, 2014
Jun. 28, 2013
Earnings Per Share [Line Items]        
Shares excluded from calculation of diluted earnings per share 0.4 3.2 0.2 2.8