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Derivative Instruments - Offsetting Assets (Detail) - USD ($)
$ in Thousands
Oct. 04, 2015
Dec. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Gross amounts of recognized assets $ 118 $ 187
Gross amounts offset (4) (74)
Net amount of assets presented 114 113
Gross amounts of recognized liabilities 347 149
Gross amounts offset (120) (52)
Net amount of liabilities presented $ 227 $ 97