Condensed Consolidated Statements of Operations and Retained Earnings - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Revenues [Abstract]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 220,287	$ 213,464
Cost of Goods and Services Sold	137,768	139,401
Gross Profit	82,519	74,063
Operating Expenses [Abstract]
Selling expenses	26,156	23,482
General and administrative expenses	21,881	30,143
Research and Development Expense	5,130	3,583
Amortization of intangibles	6,535	6,109
Operating Expenses	59,702	63,317
Income from operations	22,817	10,746
Other Income & Expenses [Abstract]
Interest Expense	6,203	5,812
Gain (Loss) on Extinguishment of Debt	0	14,803
Investment (income) loss	430	(433)
Foreign currency exchange (gain) loss	1,203	94
Other (income) expense, net	(2,303)	250
Income Tax Expense Benefit [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	17,284	(9,780)
Income tax expense (benefit)	8,893	(2,517)
Net income (loss)	8,391	(7,263)
Retained Earnings Accumulated Deficit [Abstract]
Retained earnings - beginning of period	316,343	293,802
Retained earnings - end of period	$ 324,734	$ 286,539
Weighted Average Number Of Shares Outstanding Basic [Abstract]
Average basic shares outstanding	28,544	26,762
Weighted Average Number Of Shares Outstanding [Abstract]
Average diluted shares outstanding	28,699	26,762
Earnings Per Share Basic [Abstract]
Basic income (loss) per share:	$ 0.29	$ (0.27)
Earnings Per Share Diluted [Abstract]
Diluted income (loss) per share:	$ 0.29	$ (0.27)