Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 30,069	$ 19,927	$ 25,248
Short-term investments	0	59,806	59,735
Accounts receivable, net of allowances of $1,712, $1,363 and $1,356	106,514	45,144	78,978
Inventories	106,498	73,022	67,079
Other current assets	9,921	12,792	9,834
Total current assets	253,002	210,691	240,874
Property, plant and equipment, net	35,998	27,053	26,592
Deferred income taxes	0	3,193	3,690
Other assets
Goodwill	19,677	19,974	15,820
Intangible assets, net	44,719	42,183	31,132
Other	7,965	6,832	5,611
Total other assets	72,361	68,989	52,563
Total assets	361,361	309,926	323,719
Current liabilities
Current portion of long-term debt	225	0	0
Accounts payable	18,496	14,463	17,707
Accrued payroll and other compensation	8,204	9,016	8,301
Accrued customer programs	7,201	3,275	4,422
Accrued income taxes	3,057	0	4,755
Other current liabilities	11,552	7,051	9,927
Total current liabilities	48,735	33,805	45,112
Long-term debt, net of current portion	516	0	0
Deferred income taxes	6,246	0	0
Other long-term obligations	5,420	4,631	4,494
Stockholders’ equity	300,444	271,490	274,113
Total liabilities and stockholders’ equity	$ 361,361	$ 309,926	$ 323,719