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Plant Restructuring (table)
12 Months Ended
Mar. 31, 2016
Restructuring And Related Activities [Abstract]  
Schedule of Restructuring and Related Costs [Table Text Block]
Long-Lived
AssetOther
SeveranceChargesCosts Total
(In thousands)
Balance March 31, 2013$20$1,174$307$1,501
Charge to expense-341160501
Cash payments/write offs(10)(1,515)(467)(1,992)
Balance March 31, 201410--10
Charge to expense8422642701,376
Cash payments/write offs(137)--(137)
Balance March 31, 20157152642701,249
Charge to expense1625,0655,07510,302
Cash payments/write offs(877)(354)(1,448)(2,679)
Balance March 31, 2016$-$4,975$3,897$8,872