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Options Activity and Information about Options Outstanding (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Mar. 29, 2014
Number of options  
Outstanding at beginning of period 10,381,342
Granted 623,098
Exercised (2,586,283)
Canceled/forfeited (40,229)
Outstanding at end of period 8,377,928
Vested or expected to vest at end of period 8,210,369
Vested and exercisable at end of period 2,295,526
Weighted Average Exercise Price  
Outstanding at beginning of period $ 9.21
Granted $ 62.70
Exercised $ 7.36
Canceled/forfeited $ 24.35
Outstanding at end of period $ 13.69
Vested or expected to vest at end of period $ 13.69
Vested and exercisable at end of period $ 9.57
Weighted Average Remaining Contractual Live (years)  
Outstanding at end of period 6 years 2 months 5 days
Vested or expected to vest at end of period 6 years 2 months 5 days
Vested and exercisable at end of period 5 years 5 months 27 days
Aggregate Intrinsic Value  
Outstanding at March 29, 2014 $ 662,388
Vested and exercisable at March 29, 2014 $ 190,945