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Fair Value Measurements (Tables) | 12 Months Ended
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Mar. 31, 2018
Fair Value Measurements [Abstract] |
Schedule of U.S. pension plan assets fair value | Plan assets related to the Company’s pension plans were classified as follows:
|  | March 31, 2018 |
|  | Level 1 |  |  | Level 2 |  |  | Total |
Money market investments |  | $ | - |  |  | $ | 11.4 |  |  | $ | 11.4 |
Common stocks |  |  | 9.4 |  |  |  | 2.6 |  |  |  | 12.0 |
Corporate bonds |  |  | - |  |  |  | 9.7 |  |  |  | 9.7 |
Pooled equity funds |  |  | 64.4 |  |  |  | - |  |  |  | 64.4 |
Pooled fixed-income funds |  |  | 27.3 |  |  |  | - |  |  |  | 27.3 |
U.S. government and agency securities |  |  | - |  |  |  | 16.2 |  |  |  | 16.2 |
Other |  |  | 0.2 |  |  |  | 1.7 |  |  |  | 1.9 |
Fair value excluding investment measured at net asset value |  |  | 101.3 |  |  |  | 41.6 |  |  |  | 142.9 |
Investment measured at net asset value (a) |  |  |  |  |  |  |  |  |  |  | 14.8 |
Total Fair Value |  |  |  |  |  |  |  |  |  | $ | 157.7 |
|  | March 31, 2017 |
|  | Level 1 |  |  | Level 2 |  |  | Total |
Money market investments |  | $ | - |  |  | $ | 5.6 |  |  | $ | 5.6 |
Common stocks |  |  | 17.8 |  |  |  | 2.0 |  |  |  | 19.8 |
Corporate bonds |  |  | - |  |  |  | 9.3 |  |  |  | 9.3 |
Pooled equity funds |  |  | 56.8 |  |  |  | - |  |  |  | 56.8 |
Pooled fixed-income funds |  |  | 26.5 |  |  |  | - |  |  |  | 26.5 |
U.S. government and agency securities |  |  | - |  |  |  | 18.7 |  |  |  | 18.7 |
Other |  |  | 1.4 |  |  |  | 1.4 |  |  |  | 2.8 |
Fair value excluding investment measured at net asset value |  |  | 102.5 |  |  |  | 37.0 |  |  |  | 139.5 |
Investment measured at net asset value (a) |  |  |  |  |  |  |  |  |  |  | 8.7 |
Total Fair Value |  |  |  |  |  |  |  |  |  | $ | 148.2 |
| (a) | As a practical expedient, the Company valued a collective trust fund using its net asset value per unit, and therefore, has not classified this investment within the fair value hierarchy.

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- Definition Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: 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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