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Share Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions |  | 12 Months Ended
--- | --- | ---
Apr. 05, 2021 | Mar. 27, 2021 | Mar. 28, 2020 | Mar. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock based compensation expense |  | $ 2.4 | $ 3.8 | $ 4.0
Tax benefit from compensation expense |  | 0.6 | $ 0.9 | $ 1.0
Unrecognized compensation expense related to non-vested fixed stock options |  | $ 2.7 |  |
Compensation expenses recognition period related to nonvested fixed stock options |  | 3 years |  |
Weighted average fair value of options granted |  | $ 12.53 | $ 18.92 | $ 15.44
Fair value of awards vested under the Company's stock plans |  | $ 2.0 | $ 2.0 | $ 2.8
Stock Options [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period of employee options |  | 4 years |  |
Employee options term |  | 6 years |  |
Stock Options [Member] | Minimum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period of employee options |  | 3 years |  |
Stock Options [Member] | Maximum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period of employee options |  | 4 years |  |
Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Unrecognized compensation expense related to non-vested fixed stock options |  | $ 1.4 |  |
Compensation expenses recognition period related to nonvested fixed stock options |  | 2 years |  |
Share-based compensation stock units granted |  | 35,019 |  |
Weighted-average grant-date fair value per share, Granted |  | $ 52.75 | $ 75.33 | $ 67.80
Fair value of restricted stock awards vested |  | $ 1.4 | $ 1.8 | $ 1.0
Restricted Stock [Member] | Minimum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period of employee options |  | 3 years |  |
Restricted Stock [Member] | Maximum [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period of employee options |  | 4 years |  |
Incentive Stock Option Plan 2007 [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common shares authorized for issuance |  | 5,001,620 |  |
Options available for grant |  | 1,064,945 |  |
Chief Executive Officer [Member] | Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation stock units granted | 40,000 |  |  |
Senior Management [Member] | Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vesting period of employee options |  | 3 years | 3 years | 3 years

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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 (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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