Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 137,559	$ 210,521
Accounts receivable, net	96,648	104,950
Inventories, net	221,360	212,234
Prepaid expenses and other	36,509	32,259
Deferred income taxes	5,383	6,370
Total current assets	497,459	566,334
Property and equipment, net of accumulated depreciation of $777,780 and $761,522 as of December 31, 2012 and March 31, 2012, respectively	312,911	315,848
Goodwill	35,584	36,676
Intangible assets, net	39,750	41,527
Restricted cash	26,177	2,204
Other assets	14,459	12,963
Total assets	926,340	975,552
Current liabilities:
Current portion of long-term debt	7,908	1,951
Accounts payable	61,593	74,404
Accrued expenses	85,077	89,079
Income taxes payable	1,104	2,256
Total current liabilities	155,682	167,690
Long-term debt, less current portion	375,587	345,380
Other non-current obligations	86,455	101,229
Deferred income taxes	4,805	2,257
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 December 31, 2012 and March 31, 2012	465	465
Additional paid-in capital	467,708	470,059
Retained deficit	(137,984)	(81,053)
Accumulated other comprehensive income	10,320	12,020
Treasury stock, at cost (1,588 and 1,839 shares at December 31, 2012 and March 31, 2012, respectively)	(36,698)	(42,495)
Total stockholders' equity	303,811	358,996
Total liabilities and stockholders' equity	$ 926,340	$ 975,552