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CAPITAL STOCK (Narrative) (Details) $ / shares in Units, $ in Millions | 12 Months Ended
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Mar. 30, 2019 USD ($) member period $ / shares shares | Mar. 31, 2018 USD ($) $ / shares shares | Apr. 01, 2017 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Maximum number of shares available for grant (in shares) | 3,897,238 |  |
Employee Stock Purchase Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Maximum number of shares available for award (in shares) | 3,200,000 |  |
Number of purchase periods (in purchase periods) | period | 2 |  |
Percentage of purchase price for shares of common stock at fair market value (as a percent) | 85.00% |  |
Weighted average grant date fair value of the six-month option inherent in the Purchase Plan (in dollars per share) | $ / shares | $ 21.51 | $ 9.66 | $ 7.79
Expected term | 6 months | 6 months | 6 months
Employee Stock Purchase Plan | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percentage of shares purchased through payroll deductions (as a percent) | 2.00% |  |
Employee Stock Purchase Plan | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percentage of shares purchased through payroll deductions (as a percent) | 15.00% |  |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Options outstanding (in shares) | 1,013,403 | 1,197,438 |
Award expiration period | 7 years |  |
Total intrinsic value of options exercised | $ | $ 19.4 | $ 15.4 | $ 8.3
Total unrecognized compensation cost related to non vested awards | $ | $ 7.3 |  |
Total unrecognized compensation cost related to non vested stock options, weighted average period of recognition (in years) | 2 years 9 months 18 days |  |
Expected term | 4 years 10 months 24 days | 4 years 9 months 18 days | 4 years 10 months 24 days
Stock Options | Employees |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 4 years |  |
Stock Options | Non-employee director |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 1 year |  |
Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Equity instruments other than options outstanding (in shares) | 309,222 | 417,714 |
Total unrecognized compensation cost related to non vested awards | $ | $ 13.1 |  |
Total unrecognized compensation cost related to non vested stock options, weighted average period of recognition (in years) | 2 years 7 months 6 days |  |
Shares, Vested (in shares) | 150,583 |  |
Weighted Average Grant Date Fair Value (in dollars per share), Granted | $ / shares | $ 94.55 | $ 41.87 | $ 32.61
Restricted Stock Units (RSUs) | Employees |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 4 years |  |
Restricted Stock Units (RSUs) | Non-employee director |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 1 year |  |
Performance Share Units (PSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Maximum number of shares available for award (in shares) | 872,887 |  |
Equity instruments other than options outstanding (in shares) | 448,656 | 388,107 |
Total unrecognized compensation cost related to non vested awards | $ | $ 11.7 |  |
Total unrecognized compensation cost related to non vested stock options, weighted average period of recognition (in years) | 1 year 10 months 24 days |  |
Shares, Vested (in shares) | 12,352 |  |
Performance shares target, percentage | 100.00% |  |
Weighted Average Grant Date Fair Value (in dollars per share), Granted | $ / shares | $ 115.64 | $ 46.49 | $ 34.07
Performance Share Units (PSUs) | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Performance shares target, percentage | 0.00% |  |
Performance Share Units (PSUs) | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Performance shares target, percentage | 200.00% |  |
Performance Share Units (PSUs) | Fiscal 2016 Awards [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares, Vested (in shares) | 6,176 |  |
Award performance period | 3 years |  |
Performance Share Units (PSUs) | Fiscal 2017 Awards [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Equity instruments other than options outstanding (in shares) | 65,525 |  |
Vesting percentage | 80.05% |  |
Performance Share Units (PSUs) | Fiscal 2018 Awards [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Equity instruments other than options outstanding (in shares) | 48,851 |  |
Vesting percentage | 144.31% |  |
Incentive Compensation Plan 2005 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of members on board of directors (in board members) | member | 4 |  |
Maximum number of shares available for award (in shares) | 19,824,920 |  |
Number of equity instruments other than options counted against maximum number of award shares for every share granted (in shares) | 3.02 |  |
Incentive Compensation Plan 2005 | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Maximum number of shares available for award (in shares) | 500,000 |  |
Number of options counted against maximum number of award shares for every share option issued (in shares) | 1 |  |

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