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Pension Plan (Tables) | 9 Months Ended
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Nov. 30, 2017
Compensation And Retirement Disclosure [Abstract] |
Summary of Pension Expense Composed of Components Included in Cost of Goods Sold and Selling, General and Administrative Expenses | Pension expense is composed of the following components included in cost of goods sold and selling, general, and administrative expenses in the Company’s consolidated statements of earnings (in thousands):
|  | Three months ended |  |  | Nine months ended |
|  | November 30, |  |  | November 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Components of net periodic benefit cost |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 271 |  |  | $ | 292 |  |  | $ | 812 |  |  | $ | 875 |
Interest cost |  |  | 567 |  |  |  | 593 |  |  |  | 1,702 |  |  |  | 1,779 |
Expected return on plan assets |  |  | (948 | ) |  |  | (917 | ) |  |  | (2,845 | ) |  |  | (2,749 | )
Amortization of: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized net loss |  |  | 510 |  |  |  | 671 |  |  |  | 1,531 |  |  |  | 2,012 |
Net periodic benefit cost |  | $ | 400 |  |  | $ | 639 |  |  | $ | 1,200 |  |  | $ | 1,917 |

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- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + 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 (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
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