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Taxes on Income from Continuing Operations - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 29, 2014
Jun. 30, 2013
Jun. 29, 2014
Jun. 30, 2013
Income Taxes [Line Items]        
Effective income tax rate 17.00% 12.30% 18.10% 16.20%