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Derivative Instruments - Financial Information Related to Hedging of Net Assets Included in Consolidated Statement of Earnings (Detail)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 29, 2014
USD ($)
Mar. 30, 2013
USD ($)
Dec. 31, 2013
USD ($)
Mar. 29, 2014
Foreign Exchange Forward [Member]
Euro/US Dollar [Member]
EUR (€)
Dec. 31, 2013
Foreign Exchange Forward [Member]
Euro/US Dollar [Member]
EUR (€)
Mar. 29, 2014
Foreign Exchange Forward [Member]
Pound/US Dollar [Member]
GBP (£)
Dec. 31, 2013
Foreign Exchange Forward [Member]
Pound/US Dollar [Member]
GBP (£)
Derivative [Line Items]              
Change in gains (losses) from foreign exchange derivatives $ 25 $ 1,581          
Loss on net foreign currency assets (317) (1,679)          
Foreign exchange loss (292) (98)          
Notional balance of outstanding contracts versus the dollar       36,620 41,021 1,556 0
Net fair value of outstanding contracts $ 61   $ 33