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Pensions | 6 Months Ended
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Sep. 30, 2017
Pensions [Abstract] |
Pensions | Note 4: Pensions Pension cost included the following components:
|  | Three months ended September 30, |  |  | Six months ended September 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Service cost |  | $ | 0.2 |  |  | $ | 0.2 |  |  | $ | 0.3 |  |  | $ | 0.3 |
Interest cost |  |  | 2.4 |  |  |  | 2.4 |  |  |  | 4.9 |  |  |  | 4.8 |
Expected return on plan assets |  |  | (3.0 | ) |  |  | (3.1 | ) |  |  | (6.0 | ) |  |  | (6.1 | )
Amortization of unrecognized net loss |  |  | 1.4 |  |  |  | 1.4 |  |  |  | 2.8 |  |  |  | 2.8 |
Net periodic benefit cost |  | $ | 1.0 |  |  | $ | 0.9 |  |  | $ | 2.0 |  |  | $ | 1.8 |
During the six months ended September 30, 2017 and 2016, the Company contributed $4.5 million and $3.3 million, respectively, to its U.S. pension plans.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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