Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
Assets Current [Abstract]
Cash And Cash Equivalents At Carrying Value	$ 111,937	$ 89,473
Accounts Receivable Net Current	78,710	88,642
Inventory Net	101,531	108,055
Prepaid Expense Current	9,111	10,449
Total Assets Current	301,289	296,619
Property Plant And Equipment Net	60,765	61,709
Goodwill	106,061	106,435
Intangible Assets Net Excluding Goodwill	14,281	15,791
Marketable Securities Noncurrent	23,699	25,393
Deferred Tax Assets Net Noncurrent	3,033	2,824
Other Assets Noncurrent	6,614	6,636
Total Assets	515,742	515,407
Liabilities Current [Abstract]
Short Term Bank Loans And Notes Payable	0	112
Accounts Payable Trade Current	30,310	40,991
Accrued Liabilities Current	51,603	61,713
Restructuring Reserve Current	0	0
Long Term Debt Current	1,108	1,093
Total current liabilities	83,021	103,909
Senior Long Term Notes	2,881	3,749
Subordinated Long Term Debt	148,345	148,140
Other Liabilities Noncurrent	92,035	99,143
Total liabilities	326,282	354,941
Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract]
Common Stock Value	194	193
Additional Paid In Capital Common Stock	191,945	189,260
Accumulated deficit (retained earnings)	52,162	25,895
Employee Stock Ownership Plan ESOP Debt Structure Employer Loan Guarantee	(657)	(975)
Accumulated Other Comprehensive Income Loss Net Of Tax	(54,184)	(53,907)
Total shareholders' equity	189,460	160,466
Total Liabilities and Shareholders' Equity	$ 515,742	$ 515,407