Consolidated Statements of Cash Flows (USD $) In Thousands	6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Operating Activities
Net income	$ 27,717	$ 20,628
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,120	5,052
Loss on sale of discontinued operations	0	890
Deferred income taxes	5,962	5,176
Amortization of deferred financing costs	565	504
Stock-based compensation costs	1,657	1,744
Loss on extinguishment of debt	0	300
Amortization of debt discount	458	285
Loss on disposal of equipment	0	125
Changes in operating assets and liabilities
Accounts receivable	(5,075)	(1,635)
Inventories	(6,672)	2,679
Inventories held for sale	0	1,100
Prepaid expenses and other current assets	1,794	1,714
Accounts payable	3,594	1,209
Accrued liabilities	(1,654)	3,046
Net cash provided by operating activities	33,466	42,817
Investing Activities
Purchases of equipment	(307)	(254)
Proceeds from sale of discontinued operations	0	4,122
Proceeds from escrow of Blacksmith acquisition	1,200	0
Net cash provided by investing activities	893	3,868
Financing Activities
Payment of deferred financing costs	0	(112)
Repayment of long-term debt	(40,000)	(32,587)
Proceeds from exercise of stock options	571	0
Shares surrendered as payment of tax withholding	(271)	(51)
Net cash used in financing activities	(39,700)	(32,750)
Effects of exchange rate changes on cash and cash equivalents	(32)	0
(Decrease) increase in cash and cash equivalents	(5,373)	13,935
Cash and cash equivalents - beginning of period	13,334	41,097
Cash and cash equivalents - end of period	7,961	55,032
Interest paid	15,790	5,179
Income taxes paid	$ 5,844	$ 5,103