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CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2016 | Mar. 31, 2015 | Mar. 31, 2014
Statement of Income and Comprehensive Income [Abstract] |  |  |
Net (Loss) Earnings | $ 54,458 | $ 9,899 | $ 13,779
Change in pension and post retirement benefits adjustment (net of tax) | 3,408 | (20,552) | 11,296
Total | $ 57,866 | $ (10,653) | $ 25,075

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