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CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012 | Mar. 31, 2011
Income Statement [Abstract] |  |  |
Net Sales | $ 1,276,297 | $ 1,257,805 | $ 1,189,585
Costs and Expenses: |  |  |
Cost of Product Sold | 1,134,985 | 1,164,986 | 1,096,360
Selling and Administrative | 68,852 | 67,971 | 60,421
Plant Restructuring | 3,497 | 39 | 1,354
Other Operating (Income) Expense | (1,971) | (814) | (844)
Total Costs and Expenses | 1,205,363 | 1,232,182 | 1,157,291
Operating Income (Loss) | 70,934 | 25,623 | 32,294
Interest Expense, Net | 7,486 | 8,102 | 8,827
Earnings (Loss) Before Income Taxes | 63,448 | 17,521 | 23,467
Income Taxes Expense (Benefit) | 22,035 | 6,265 | 5,796
Net Earnings (Loss) | 41,413 | 11,256 | 17,671
Earnings (Loss) Attributable to Common Stock | $ 39,984 | $ 10,851 | $ 16,797
Basic Earnings (Loss) per Common Share | $ 3.59 | $ 0.93 | $ 1.45
Diluted Earnings (Loss) per Common Share | $ 3.57 | $ 0.92 | $ 1.45

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