Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013
Assets Current [Abstract]
Cash And Cash Equivalents At Carrying Value	$ 110,399	$ 121,660
Accounts Receivable Net Current	76,034	80,224
Inventory Net	101,451	94,189
Prepaid Expense Current	21,005	17,905
Total Assets Current	308,889	313,978
Property Plant And Equipment Net	67,091	65,698
Goodwill	110,961	105,354
Intangible Assets Net Excluding Goodwill	12,878	13,395
Marketable Securities Noncurrent	24,166	23,951
Deferred Tax Assets Net Noncurrent	38,711	37,205
Other Assets Noncurrent	6,458	7,286
Total Assets	569,154	566,867
Liabilities Current [Abstract]
Short Term Bank Loans And Notes Payable	0	0
Accounts Payable Trade Current	30,133	34,329
Accrued Liabilities Current	50,706	48,884
Restructuring Reserve Current	0	0
Long Term Debt Current	1,043	1,024
Total current liabilities	81,882	84,237
Senior Long Term Notes	2,376	2,641
Subordinated Long Term Debt	148,480	148,412
Other Liabilities Noncurrent	89,248	91,590
Total liabilities	321,986	326,880
Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract]
Common Stock Value	196	195
Additional Paid In Capital Common Stock	193,083	192,308
Accumulated deficit (retained earnings)	111,211	104,191
Employee Stock Ownership Plan ESOP Debt Structure Employer Loan Guarantee	(449)	(552)
Accumulated Other Comprehensive Income Loss Net Of Tax	(56,873)	(56,155)
Total shareholders' equity	247,168	239,987
Total Liabilities and Shareholders' Equity	$ 569,154	$ 566,867