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Equity Compensation (Tables) | 12 Months Ended
--- | ---
Mar. 28, 2015
Summary of Activity in Total Stock Available for Grant |
|  | Shares
|  | Available for
|  | Grant
Balance, March 31, 2012 |  | 6,257
Plans terminated |  | -
Granted |  | (1,600)
Forfeited |  | 468
Balance, March 30, 2013 |  | 5,125
Plans terminated |  | -
Granted |  | (1,785)
Forfeited |  | 207
Balance, March 29, 2014 |  | 3,547
Plans terminated |  | -
Shares added |  | 3,300
Granted |  | (3,181)
Forfeited |  | 230
Balance, March 28, 2015 |  | 3,896
Summary of Effect of Stock-Based Compensation on Cost of Goods Sold |
| Fiscal Year
|  | 2015 |  |  | 2014 |  |  | 2013
Cost of sales | $ | 747 |  | $ | 864 |  | $ | 751
Research and development |  | 11,222 |  |  | 10,392 |  |  | 10,549
Sales, general and administrative |  | 25,580 |  |  | 11,818 |  |  | 10,195
Effect on pre-tax income |  | 37,549 |  |  | 23,074 |  |  | 21,495
Income Tax Benefit |  | (37,692) |  |  | (8,445) |  |  | (106)
Total share-based compensation expense (benefit) (net of taxes) |  | (143) |  |  | 14,629 |  |  | 21,389
Share-based compensation effects on basic earnings per share | $ | 1.20 |  | $ | 0.50 |  | $ | 0.33
Share-based compensation effects on diluted earnings per share |  | 1.15 |  |  | 0.48 |  |  | 0.32
Share-based compensation effects on operating activities cash flow |  | (143) |  |  | 14,629 |  |  | 21,389
Share-based compensation effects on financing activities cash flow |  | 37,692 |  |  | 8,445 |  |  | 106
Schedule of Fair Value of Stock Option Grants |
| Year Ended
|  | March 28, 2015 |  |  | March 29, 2014 |  |  | March 30, 2013 |
Expected stock price volatility |  | 38.79 | - | 42.12 | % |  | 51.93 | - | 54.34 | % |  | 63.42 | %
Risk-free interest rate |  | 0.49 | - | 0.91 | % |  | 0.47 | - | 0.52 | % |  | 0.31 | %
Expected term (in years) |  | 2.15 | - | 2.87 |  |  | 2.46 | - | 2.61 |  |  | 2.46 |
Schedule of Stock Option Activity |
|  | Outstanding Options
|  |  |  |  | Weighted
|  |  |  |  | Average
|  | Number |  |  | Exercise Price
Balance, March 31, 2012 |  | 5,904 |  | $ | 8.23
Options granted |  | 264 |  |  | 37.22
Options exercised |  | (1,746) |  |  | 6.88
Options forfeited |  | (144) |  |  | 12.52
Options expired |  | - |  |  | 20.25
Balance, March 30, 2013 |  | 4,278 |  | $ | 10.42
Options granted |  | 318 |  |  | 23.45
Options exercised |  | (834) |  |  | 6.12
Options forfeited |  | (10) |  |  | 15.33
Options expired |  | (27) |  |  | 19.52
Balance, March 29, 2014 |  | 3,725 |  | $ | 12.42
Options granted |  | 310 |  |  | 21.69
Options exercised |  | (696) |  |  | 7.47
Options forfeited |  | (5) |  |  | 19.94
Options expired |  | (1) |  |  | 4.65
Balance, March 28, 2015 |  | 3,333 |  | $ | 14.31
Summary of Outstanding Options Vesting, Expected to Vest, or Exercisable |
|  |  |  |  | Weighted |  | Weighted Average |  |  |
|  | Number of |  |  | Average |  | Remaining Contractual |  |  | Aggregate
|  | Options |  |  | Exercise price |  | Term (years) |  |  | Intrinsic Value
Vested and expected to vest |  | 3,311 |  | $ | 14.25 |  | 5.43 |  | $ | 64,449
Exercisable |  | 2,670 |  | $ | 11.83 |  | 4.66 |  | $ | 58,150
Summary of Outstanding and Exercisable Options |
|  | Options Outstanding |  | Options Exercisable
|  |  |  | Weighted Average |  |  |  |  |  |  |  |
|  |  |  | Remaining |  | Weighted |  |  |  | Weighted
|  |  |  | Contractual Life |  | Average Exercise |  | Number |  | Average
Range of Exercise Prices |  | Number |  | (years) |  | Price |  | Exercisable |  | Exercise Price
$2.82 - $5.53 |  | 306 |  | 3.67 |  | $ | 5.19 |  | 306 |  | $ | 5.19
$5.55 - $5.55 |  | 688 |  | 4.53 |  |  | 5.55 |  | 688 |  |  | 5.55
$5.66 - $7.87 |  | 568 |  | 2.26 |  |  | 7.39 |  | 568 |  |  | 7.39
$8.06 - $16.25 |  | 764 |  | 5.79 |  |  | 15.29 |  | 710 |  |  | 15.28
$16.28 - $23.34 |  | 656 |  | 8.29 |  |  | 21.48 |  | 218 |  |  | 20.90
$23.80 - $38.99 |  | 351 |  | 7.89 |  |  | 35.11 |  | 180 |  |  | 36.49
|  | 3,333 |  | 5.45 |  | $ | 14.31 |  | 2,670 |  | $ | 11.83
Summary of Restricted Stock Units Expected to Vest |
|  |  |  |  | Weighted |  | Weighted Average
|  |  |  |  | Average |  | Remaining Contractual
|  | Shares |  |  | Fair Value |  | Term (years)
Expected to vest |  | 2,646 |  | $ | 25.57 |  | 1.46
Summary of Monte Carlo Simulation Assumptions for Market Stock Units |
|  | Year Ended |
|  | March 28, |
|  | 2015 |
Expected stock price volatility |  | 39.65 | %
Risk-free interest rate |  | 1.00 | %
Expected term (in years) |  | 3.00 |
Schedule of Market Stock Units Activity |
|  |  |  | Weighted
|  |  |  | Average
| Shares |  |  | Fair Value
March 29, 2014 | - |  | $ | -
Granted | 35 |  |  | 22.00
Vested | - |  |  | -
Forfeited | - |  |  | -
March 28, 2015 | 35 |  | $ | 22.00
Summary of Outstanding MSUs Expected to Vest |
|  |  |  |  | Weighted |  | Weighted Average
|  |  |  |  | Average |  | Remaining Contractual
|  | Shares |  |  | Fair Value |  | Term (years)
Expected to vest |  | 35 |  | $ | 22.00 |  | 2.51
Restricted Stock Awards [Member] |
Summary of Restricted Stock and Restricted Stock Units Activity |
|  |  |  | Weighted
|  |  |  | Average
|  |  |  | Grant Date
| Number of |  |  | Fair Value
| Shares |  |  | (per share)
March 31, 2012 | 40 |  | $ | 7.19
Granted | 27 |  |  | 28.24
Vested | (62) |  |  | 15.45
Forfeited | - |  |  | -
March 30, 2013 | 5 |  |  | 17.28
Granted | - |  |  | -
Vested | - |  |  | -
Forfeited | - |  |  | -
March 29, 2014 | 5 |  |  | 17.28
Granted | - |  |  | -
Vested | (5) |  |  | 17.28
Forfeited | - |  |  | -
March 28, 2015 | - |  | $ | -
Restricted Stock Units (RSUs) [Member] |
Summary of Restricted Stock and Restricted Stock Units Activity |
|  |  |  | Weighted
|  |  |  | Average
| Shares |  |  | Fair Value
March 31, 2012 | 1,616 |  | $ | 16.52
Granted | 864 |  |  | 37.26
Vested | (193) |  |  | 20.56
Forfeited | (216) |  |  | 21.46
March 30, 2013 | 2,071 |  |  | 23.66
Granted | 977 |  |  | 22.55
Vested | (626) |  |  | 17.71
Forfeited | (113) |  |  | 25.81
March 29, 2014 | 2,309 |  |  | 25.26
Granted | 1,887 |  |  | 22.04
Vested | (1,224) |  |  | 19.52
Forfeited | (151) |  |  | 26.17
March 28, 2015 | 2,821 |  | $ | 25.57

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