Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013
Current assets:
Cash and cash equivalents	$ 57,700	$ 95,978
Accounts receivable, net	103,365	96,564
Inventories, net	208,836	205,615
Prepaid expenses and other	42,713	41,101
Deferred income taxes	4,453	4,167
Total current assets	417,067	443,425
Property and equipment, net of accumulated depreciation of $794,798 and $771,398 as of September 30, 2013 and March 31, 2013, respectively	311,434	304,508
Goodwill	35,584	35,584
Intangible assets, net	38,068	38,646
Investment in NEC TOKIN	46,942	52,738
Restricted cash	14,638	17,397
Deferred income taxes	8,717	7,994
Other assets	7,761	11,299
Total assets	880,211	911,591
Current liabilities:
Current portion of long-term debt	29,772	10,793
Accounts payable	80,892	73,669
Accrued expenses	86,892	95,944
Income taxes payable and deferred income taxes	1,811	1,074
Total current liabilities	199,367	181,480
Long-term debt, less current portion	373,506	372,707
Other non-current obligations	60,864	71,946
Deferred income taxes	8,567	8,542
Stockholders' equity:
Preferred stock, par value $0.01, authorized 10,000 shares, none issued
Common stock, par value $0.01, authorized 175,000 shares, issued 46,508 shares at September 30, 2013 and March 31, 2013	465	465
Additional paid-in capital	465,747	467,096
Retained deficit	(211,472)	(163,235)
Accumulated other comprehensive income	15,315	7,694
Treasury stock, at cost (1,391 and 1,519 shares at September 30, 2013 and March 31, 2013, respectively)	(32,148)	(35,104)
Total stockholders' equity	237,907	276,916
Total liabilities and stockholders' equity	$ 880,211	$ 911,591