XML 54 R43.htm IDEA: XBRL DOCUMENT v3.7.0.1
Financial Instruments - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Apr. 02, 2017
Apr. 03, 2016
Apr. 02, 2017
Dec. 31, 2016
Financial Instruments and Fair Value [Line Items]        
Available-for-sale securities, realized loss $ 200,000 $ 200,000    
Available-for-sale securities, realized gain 300,000 200,000    
Available-for-sale marketable securities, Fair Market Value of Investments with Unrealized Losses 990,454,000   $ 990,454,000 $ 732,979,000
Fair market value of investments with unrealized losses greater than one year 2,200,000   2,200,000 2,900,000
Aggregate loss of investments with unrealized losses greater than one year     200,000 300,000
Fair market value of investments with unrealized losses less than one year 988,300,000   988,300,000 730,100,000
Aggregate loss of investments with unrealized losses less than one year     2,600,000 2,500,000
Gains (losses) on foreign currency transactions 1,500,000 3,400,000    
Realized (losses) gains on foreign currency contracts (1,000,000) $ (3,300,000)    
Universal Robots        
Financial Instruments and Fair Value [Line Items]        
Maximum payment per earn-out 25,000,000      
Foreign Exchange Contracts        
Financial Instruments and Fair Value [Line Items]        
Notional amount of foreign currency forward contracts 89,200,000   $ 89,200,000 83,900,000
Gains (losses) on foreign currency transactions $ 0     $ (100,000)