Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues [Abstract]
Net sales	$ 579,643	$ 583,290
Cost of products sold	398,036	402,242
Gross profit	181,607	181,048
Operating Expenses [Abstract]
Selling expenses	69,819	68,963
General and administrative expenses	54,874	55,754
Amortization of intangibles	2,266	1,981
Income from operations	54,648	54,350
Other Income & Expenses [Abstract]
Interest and debt expense	12,390	13,492
Gains (Losses) on Extinguishment of Debt	8,567
Investment (income) loss	(2,725)	(1,595)
Foreign currency exchange loss (gain)	863	1,124
Other income, net	(462)	(1,393)
Income from continuing operations before income tax expense (benefit)	36,015	42,722
Current income tax expense (benefit):
Income tax expense (benefit)	8,825	12,301
Net income	$ 27,190	$ 30,421
Weighted Average Number of Shares Outstanding Basic [Abstract]
Average basic shares outstanding	19,939	19,655
Weighted Average Number of Shares Outstanding Diluted [Abstract]
Average diluted shares outstanding	20,224	19,950
Basic income per share:
Basic income per share	$ 1.36	$ 1.55
Diluted income per share:
Diluted income per share	$ 1.34	$ 1.52
Common Stock, Dividends, Per Share, Declared	$ 0.16	$ 0.04