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Stock-Based Compensation (Tables) | 12 Months Ended
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Mar. 28, 2020
Share-based Payment Arrangement [Abstract] |
Stock Options Activity | The following table summarizes stock option activity for the fiscal years 2020, 2019 and 2018:
| Number of Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value (in thousands)
Options outstanding at April 1, 2017 | 464,930 |  |  | $ | 68.01 |  |  |  |  |
Granted | 42,000 |  |  | 131.93 |  |  |  |  |
Exercised | (87,925 | ) |  | 42.54 |  |  |  |  |
Canceled or expired | (800 | ) |  | 99.65 |  |  |  |  |
Options outstanding at March 31, 2018 | 418,205 |  |  | $ | 79.73 |  |  | 3.78 |  | $ | 60,439 |
Granted | 73,750 |  |  | 194.08 |  |  |  |  |
Exercised | (74,144 | ) |  | 53.78 |  |  |  |  |
Canceled or expired | (6,700 | ) |  | 150.34 |  |  |  |  |
Options outstanding at March 30, 2019 | 411,111 |  |  | $ | 102.71 |  |  | 3.74 |  | $ | 61,025 |
Granted | 74,750 |  |  | 145.24 |  |  |  |  |
Exercised | (120,687 | ) |  | 63.66 |  |  |  |  |
Canceled or expired | (1,000 | ) |  | 99.65 |  |  |  |  |
Options outstanding at March 28, 2020 | 364,174 |  |  | $ | 123.93 |  |  | 4.02 |  | $ | 49,000 |
Exercisable at March 31, 2018 | 203,721 |  |  | $ | 61.38 |  |  | 2.49 |  | $ | 30,631 |
Exercisable at March 30, 2019 | 197,663 |  |  | $ | 71.28 |  |  | 2.35 |  | $ | 31,296 |
Exercisable at March 28, 2020 | 179,133 |  |  | $ | 100.82 |  |  | 2.83 |  | $ | 25,423 |
Stock Options, Weighted Average Assumptions | The fair values of options granted were estimated at the date of grant using the following weighted average assumptions:
| Fiscal Year
| 2020 |  | 2019 |  | 2018
Volatility | 36.0 | % |  | 31.5 | % |  | 32.3 | %
Risk-free interest rate | 2.0 | % |  | 2.7 | % |  | 1.9 | %
Dividend yield | — | % |  | — | % |  | — | %
Expected option life in years | 4.33 |  |  | 5.18 |  |  | 5.14 |
Estimated forfeiture rate | 7.0 | % |  | 7.0 | % |  | 7.0 | %
Restricted Stock Unit Activity | Restricted Stock Awards. The fair value of restricted stock awards is estimated as the closing price of the Company's common stock on the date of grant. A summary of restricted stock award activity is as follows:
| Number of Shares
| Performance-Based Awards |  | Service-Based Awards |  | Total
Outstanding at March 30, 2019 | — |  |  | — |  |  | — |
Awarded | 7,305 |  |  | 4,900 |  |  | 12,205 |
Released | — |  |  | (400 | ) |  | (400 | )
Canceled or expired | — |  |  | — |  |  | — |
Outstanding at March 28, 2020 | 7,305 |  |  | 4,500 |  |  | 11,805 |
Unvested target stock awards that may vest based upon performance conditions through fiscal year 2022 | 7,305 |  |  |  |  |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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