Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Mar. 31, 2012
Assets Current [Abstract]
Cash And Cash Equivalents At Carrying Value	$ 94,927	$ 89,473
Accounts Receivable Net Current	82,933	88,642
Inventory Net	112,051	108,055
Prepaid Expense Current	13,662	10,449
Total Assets Current	303,573	296,619
Property Plant And Equipment Net	59,842	61,709
Goodwill	105,559	106,435
Intangible Assets Net Excluding Goodwill	14,322	15,791
Marketable Securities Noncurrent	24,629	25,393
Deferred Tax Assets Net Noncurrent	2,790	2,824
Other Assets Noncurrent	5,993	6,636
Total Assets	516,708	515,407
Liabilities Current [Abstract]
Short Term Bank Loans And Notes Payable	0	112
Accounts Payable Trade Current	33,833	40,991
Accrued Liabilities Current	57,900	61,713
Restructuring Reserve Current	0	0
Long Term Debt Current	1,062	1,093
Total current liabilities	92,795	103,909
Senior Long Term Notes	3,150	3,749
Subordinated Long Term Debt	148,276	148,140
Other Liabilities Noncurrent	96,131	99,143
Total liabilities	340,352	354,941
Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract]
Common Stock Value	194	193
Additional Paid In Capital Common Stock	190,932	189,260
Accumulated deficit (retained earnings)	42,583	25,895
Employee Stock Ownership Plan ESOP Debt Structure Employer Loan Guarantee	(762)	(975)
Accumulated Other Comprehensive Income Loss Net Of Tax	(56,591)	(53,907)
Total shareholders' equity	176,356	160,466
Total Liabilities and Shareholders' Equity	$ 516,708	$ 515,407