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Employee Retirement and Profit Sharing Plans (Tables) | 12 Months Ended
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Mar. 31, 2018
Employee Retirement and Profit Sharing Plans [Abstract] |
Funded status of plan |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | Fiscal March
﻿ |  | 2018 |  | 2017
﻿ |  | (Dollars in thousands)
﻿Change in Plan Assets: |  |  |  |  |  |
﻿Fair value of plan assets at beginning of year |  | $ | 20,702 |  | $ | 19,465
﻿Actual return on plan assets |  |  | 631 |  |  | 2,309
﻿Benefits paid |  |  | (704) |  |  | (1,072)
﻿Fair value of plan assets at end of year |  |  | 20,629 |  |  | 20,702
﻿Change in Projected Benefit Obligation: |  |  |  |  |  |
﻿Benefit obligation at beginning of year |  |  | 20,405 |  |  | 21,373
﻿Interest cost |  |  | 796 |  |  | 806
﻿Actuarial loss/(gain) |  |  | 109 |  |  | (702)
﻿Benefits paid |  |  | (704) |  |  | (1,072)
﻿Benefit obligation at end of year |  |  | 20,606 |  |  | 20,405
﻿Funded status of plan |  | $ | 23 |  | $ | 297
﻿
Amounts recognized in accumulated other comprehensive loss |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | Year Ended
﻿ |  | Fiscal March
﻿ |  | 2018 |  | 2017
﻿ |  | (Dollars in thousands)
﻿Unamortized transition obligation |  | $ | 0 |  | $ | 0
﻿Unamortized prior service cost |  |  | 0 |  |  | 0
﻿Unamortized net loss |  |  | 5,675 |  |  | 5,117
﻿Total |  | $ | 5,675 |  | $ | 5,117
﻿
Changes in plan assets and benefit obligations recognized in other comprehensive income |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | Year Ended
﻿ |  | Fiscal March
﻿ |  | 2018 |  | 2017
﻿ |  | (Dollars in thousands)
﻿Net transition obligation |  | $ | 0 |  | $ | 0
﻿Prior service cost |  |  | 0 |  |  | 0
﻿Net actuarial (loss)/income |  |  | (558) |  |  | 2,203
﻿Total |  | $ | (558) |  | $ | 2,203
﻿
Components of pension (income) expense |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year Ended Fiscal March
﻿ |  | 2018 |  | 2017 |  | 2016
﻿ |  | (Dollars in thousands)
﻿Interest cost on projected benefit obligation |  | $ | 796 |  | $ | 806 |  | $ | 803
﻿Expected return on plan assets |  |  | (1,416) |  |  | (1,332) |  |  | (1,389)
﻿Amortization of unrecognized actuarial loss |  |  | 336 |  |  | 524 |  |  | 648
﻿Net pension (income) expense |  | $ | (284) |  | $ | (2) |  | $ | 62
﻿
Weighted average assumptions used to determine benefit obligations |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | Year Ended
﻿ |  | Fiscal March
﻿ |  | 2018 |  | 2017
﻿Discount rate |  | 3.89 | % |  | 3.98 | %
﻿
Weighted average assumptions used to determine net periodic pension costs |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year Ended Fiscal March
﻿ |  | 2018 |  | 2017 |  | 2016
﻿Discount rate |  | 3.98 | % |  | 3.83 | % |  | 3.69 | %
﻿Expected long-term return on assets |  | 7.00 | % |  | 7.00 | % |  | 7.00 | %
﻿
Company's asset allocations by asset category |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | March 31, |  | March 25,
﻿ |  | 2018 |  | 2017
﻿Cash and cash equivalents |  | 1.3 | % |  | 1.7 | %
﻿Fixed income |  | 39.3 | % |  | 39.7 | %
﻿Equity securities |  | 59.4 | % |  | 58.6 | %
﻿Total |  | 100.0 | % |  | 100.0 | %
﻿
Fair value measurement information for the Company's major categories of defined benefit plan assets | ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | Fair Value Measurements at March 31, 2018 Using
﻿ |  |  |  |  | Quoted Prices |  |  |  |  |  |
﻿ |  |  |  |  | in Active |  | Significant |  |  |
﻿ |  |  |  |  | Markets for |  | Other |  | Significant
﻿ |  |  |  |  | Identical |  | Observable |  | Unobservable
﻿ |  |  |  |  | Assets |  | Inputs |  | Inputs
﻿ |  | Total |  | (Level 1) |  | (Level 2) |  | (Level 3)
﻿ |  | (Dollars in thousands)
﻿Equity securities: |  |  |  |  |  |  |  |  |  |  |  |
﻿U.S. companies |  | $ | 8,062 |  | $ | 7,785 |  | $ | 277 |  |  |
﻿International companies |  |  | 4,186 |  |  | 4,186 |  |  |  |  |  |
﻿Fixed income: |  |  |  |  |  |  |  |  |  |  |  |
﻿U.S. corporate bonds |  |  | 7,505 |  |  |  |  |  | 7,505 |  |  |
﻿International bonds |  |  | 614 |  |  |  |  |  | 614 |  |  |
﻿Cash equivalents |  |  | 262 |  |  |  |  |  | 262 |  |  |
﻿Total |  | $ | 20,629 |  | $ | 11,971 |  | $ | 8,658 |  |  |
﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | Fair Value Measurements at March 25, 2017 Using
﻿ |  |  |  |  | Quoted Prices |  |  |  |  |  |
﻿ |  |  |  |  | in Active |  | Significant |  |  |
﻿ |  |  |  |  | Markets for |  | Other |  | Significant
﻿ |  |  |  |  | Identical |  | Observable |  | Unobservable
﻿ |  |  |  |  | Assets |  | Inputs |  | Inputs
﻿ |  | Total |  | (Level 1) |  | (Level 2) |  | (Level 3)
﻿ |  | (Dollars in thousands)
﻿Equity securities: |  |  |  |  |  |  |  |  |  |  |  |
﻿U.S. companies |  | $ | 8,296 |  | $ | 7,984 |  | $ | 312 |  |  |
﻿International companies |  |  | 3,839 |  |  | 3,839 |  |  |  |  |  |
﻿Fixed income: |  |  |  |  |  |  |  |  |  |  |  |
﻿U.S. corporate bonds |  |  | 7,902 |  |  |  |  |  | 7,902 |  |  |
﻿International bonds |  |  | 317 |  |  |  |  |  | 317 |  |  |
﻿Cash equivalents |  |  | 348 |  |  |  |  |  | 348 |  |  |
﻿Total |  | $ | 20,702 |  | $ | 11,823 |  | $ | 8,879 |  |  |
﻿
Pension benefit payments |
﻿ |  |  |
﻿ |  |  |
﻿ |  | Year Ended
﻿ |  | Fiscal March
﻿ |  | (Dollars in thousands)
﻿2019 |  | $ | 972
﻿2020 |  |  | 1,006
﻿2021 |  |  | 1,059
﻿2022 |  |  | 1,115
﻿2023 |  |  | 1,149
﻿2024 - 2028 |  |  | 6,068
﻿

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- Definition Tabular disclosure of the change in the benefit obligation, fair value of plan assets, and funded status of pension plans or other employee benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(b)(c) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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