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Changes in Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Jun. 30, 2018
Equity [Abstract] |
Changes in Accumulated Other Comprehensive Loss by Component | The changes in accumulated other comprehensive loss by component for the three months ended June 30, 2018 and 2017 are as follows:
|  | Pension and Other Postretirement Benefit Items |  |  | Foreign Currency Items |  |  | Total |
Balance at April 1, 2018 |  | $ | (8,599 | ) |  | $ | 349 |  |  | $ | (8,250 | )
Other comprehensive income before reclassifications |  |  | — |  |  |  | (199 | ) |  |  | (199 | )
Amounts reclassified from accumulated other comprehensive loss |  |  | 170 |  |  |  | — |  |  |  | 170 |
Net current-period other comprehensive income |  |  | 170 |  |  |  | (199 | ) |  | $ | (29 | )
Balance at June 30, 2018 |  | $ | (8,429 | ) |  | $ | 150 |  |  | $ | (8,279 | )
|  | Pension and Other Postretirement Benefit Items |  |  | Foreign Currency Items |  |  | Total |
Balance at April 1, 2017 |  | $ | (8,439 | ) |  | $ | 5 |  |  | $ | (8,434 | )
Other comprehensive income before reclassifications |  |  | — |  |  |  | 54 |  |  |  | 54 |
Amounts reclassified from accumulated other comprehensive loss |  |  | 170 |  |  |  | — |  |  |  | 170 |
Net current-period other comprehensive income |  |  | 170 |  |  |  | 54 |  |  |  | 224 |
Balance at June 30, 2017 |  | $ | (8,269 | ) |  | $ | 59 |  |  | $ | (8,210 | )
Reclassifications Out of Accumulated Other Comprehensive Loss by Component | The reclassifications out of accumulated other comprehensive loss by component for the three months ended June 30, 2018 and 2017 are as follows:
Details about Accumulated Other Comprehensive Loss Components |  | Amount Reclassified from Accumulated Other Comprehensive Loss |  |  |  | Affected Line Item in the Condensed Consolidated Statements of Income and Retained Earnings
|  | Three Months Ended |  |  |  |
|  | June 30, |  |  |  |
|  | 2018 |  |  |  | 2017 |  |  |  |
Pension and other postretirement benefit items: |  |  |  |  |  |  |  |  |  |  |  |
Amortization of actuarial loss |  | $ | (219 | ) | (1) |  | $ | (263 | ) | (1) |  | Income before provision for income taxes
|  |  | (49 | ) |  |  |  | (93 | ) |  |  | Provision for income taxes
|  | $ | (170 | ) |  |  | $ | (170 | ) |  |  | Net income
(1) | These accumulated other comprehensive loss components are included within the computation of pension and other postretirement benefit costs. See Note 10.

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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