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RESTRUCTURING (Narrative) (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 21 Months Ended |
--- | --- | --- | --- | ---
Dec. 29, 2018 | Dec. 30, 2017 | Dec. 29, 2018 | Dec. 30, 2017 | Dec. 29, 2018 | Mar. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and turnaround costs | $ 1,754,000 | $ 31,298,000 | $ 7,221,000 | $ 39,568,000 |  |
Restructuring liability | 9,140,000 |  | 9,140,000 |  | $ 9,140,000 | $ 28,535,000
Restructuring liability payable in next twelve months | 8,600,000 |  | 8,600,000 |  | 8,600,000 |
Restructuring costs | (694,000) | 28,455,000 | (1,019,000) | 29,662,000 |  |
Turnaround costs | 2,448,000 | 2,843,000 | 8,240,000 | 9,906,000 |  |
2018 Program |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and turnaround costs | 1,900,000 |  | 7,300,000 |  | 43,800,000 |
Restructuring liability | 8,781,000 |  | 8,781,000 |  | 8,781,000 | 27,129,000
Restructuring costs |  |  | (957,000) |  |  |
2018 Program | Minimum |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Expected cost |  |  |  |  |  | 50,000,000
2018 Program | Minimum | Employee Severance |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Expected cost |  |  |  |  |  | 35,000,000
2018 Program | Maximum |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Expected cost |  |  |  |  |  | 60,000,000
2018 Program | Maximum | Employee Severance |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Expected cost |  |  |  |  |  | 40,000,000
2017 Program |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and turnaround costs |  | $ 0 |  | $ 7,700,000 |  |
Restructuring liability | $ 359,000 |  | 359,000 |  | $ 359,000 | $ 1,406,000
Restructuring costs |  |  | $ (62,000) |  |  |

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