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FAIR VALUE MEASUREMENTS (Tables) | 9 Months Ended
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Dec. 31, 2016
Fair Value Disclosures [Abstract] |
Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis | The following table provides the fair value hierarchy for the supplemental plan assets measured at fair value as of December 31, 2016:
|  |  |  |  |  |  |  |  |  |  |  | Significant |  | Significant |  |  |  |  |
|  |  |  |  |  |  | Quoted prices in |  | observable |  | unobservable |  | Measured at
|  |  |  |  |  |  | active markets |  | inputs |  | inputs |  | Net Asset
(In thousands) |  | Total |  | (Level 1) |  | (Level 2) |  | (Level 3) |  | Value
Equity securities: |  | $ | 5,164 |  |  |  |  | 5,164 |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |
Debt securities: |  |  | 3,207 |  |  |  |  | 860 |  |  |  |  | 725 |  |  |  |  | — |  |  |  |  | 1,622 |  |
Cash and cash equivalents |  |  | 367 |  |  |  |  | 55 |  |  |  |  | 257 |  |  |  |  | — |  |  |  |  | 55 |  |
Total |  | $ | 8,738 |  |  |  |  | 6,079 |  |  |  |  | 982 |  |  |  |  | — |  |  |  |  | 1,677 |  |
Other pending transactions |  |  | (40 | ) |  |  |  | (40 | ) |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |
Total fair value of plan assets |  | $ | 8,698 |  |  |  |  | 6,039 |  |  |  |  | 982 |  |  |  |  | — |  |  |  |  | 1,677 |  |
The following table provides the fair value hierarchy for the supplemental plan assets measured at fair value as of March 31, 2016:
|  |  |  |  |  |  |  |  | Significant |  | Significant |  |  |  |  |
|  |  |  |  |  |  | Quoted prices in |  | observable |  | unobservable |  | Measured at
|  |  |  |  |  |  | active markets |  | inputs |  | inputs |  | Net Asset
(In thousands) |  | Total |  | (Level 1) |  | (Level 2) |  | (Level 3) |  | Value
Equity securities: |  | $ | 4,834 |  |  |  |  | 4,834 |  |  |  |  | — |  |  |  |  | — |  |  |  |  | — |  |
Debt securities: |  |  | 3,374 |  |  |  |  | 972 |  |  |  |  | 739 |  |  |  |  | — |  |  |  |  | 1,663 |  |
Cash and cash equivalents |  |  | 343 |  |  |  |  | 13 |  |  |  |  | 282 |  |  |  |  | — |  |  |  |  | 48 |  |
Total |  | $ | 8,551 |  |  |  |  | 5,819 |  |  |  |  | 1,021 |  |  |  |  | — |  |  |  |  | 1,711 |  |
Other pending transactions |  |  | 260 |  |  |  |  | 291 |  |  |  |  | (49 | ) |  |  |  | — |  |  |  |  | 18 |  |
Total fair value of plan assets |  | $ | 8,811 |  |  |  |  | 6,110 |  |  |  |  | 972 |  |  |  |  | — |  |  |  |  | 1,729 |  |
Schedule of Fair Value Other Financial Instruments Measured | The following table provides the fair value hierarchy for the company’s other financial instruments measured as of December 31, 2016:
|  |  |  |  |  |  |  |  |  | Significant |  |  | Significant |
|  |  |  |  |  | Quoted prices in |  |  | observable |  |  | unobservable |
|  |  |  |  |  | active markets |  |  | inputs |  |  | inputs |
(In thousands) |  | Total |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Cash equivalents |  | $ | 612,768 |  |  |  | 612,768 |  |  |  | — |  |  |  | — |
Total fair value of assets |  | $ | 612,768 |  |  |  | 612,768 |  |  |  | — |  |  |  | — |
The following table provides the fair value hierarchy for the company’s other financial instruments measured as of March 31, 2016:
|  |  |  |  |  |  |  |  |  | Significant |  |  | Significant |
|  |  |  |  |  | Quoted prices in |  |  | observable |  |  | unobservable |
|  |  |  |  |  | active markets |  |  | inputs |  |  | inputs |
(In thousands) |  | Total |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Cash equivalents |  | $ | 643,770 |  |  |  | 643,770 |  |  |  | — |  |  |  | — |
Total fair value of assets |  | $ | 643,770 |  |  |  | 643,770 |  |  |  | — |  |  |  | — |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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