Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Operating Activities
Net income	$ 20,651	$ 7,163
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	8,704	9,839
Debt discount amortization	5,450	4,645
Stock-based compensation	1,693	1,581
Deferred income taxes		232
Loss on disposal of property, plant and equipment	16	27
Other noncash adjustments	(314)	(127)
Changes in operating assets and liabilities:
Accounts receivable	(19,654)	6,349
Inventories	15,459	(10,015)
Prepaid expenses and other assets	185	(1,208)
Accounts payable	1,692	(96)
Accrued expenses and other liabilities	2,129	(15,069)
Income taxes receivable/payable	(64)	(52)
Net cash provided by operating activities	35,947	3,269
Investing Activities
Expenditures for property, plant and equipment	(2,938)	(4,864)
Purchase of acquired company, net of cash acquired	(11)	(2,002)
Notes receivable, net	57	36
Net cash used in investing activities	(2,892)	(6,830)
Financing Activities
Financing costs	(750)
Principal payments under mortgages and notes		(2,542)
Borrowings under line of credit	77,700
Principal payments under line of credit	(52,700)
Change in restricted cash	(8,938)
Repurchases of common stock	(2,784)	(3,037)
Proceeds from employee stock purchase and option plans	462	1,286
Net cash provided by (used in) financing activities	12,990	(4,293)
Net increase (decrease) in cash and cash equivalents	46,045	(7,854)
Cash and cash equivalents at beginning of period	4,526	27,270
Cash and cash equivalents at end of period	50,571	19,416
Supplemental Disclosure:
Cash paid for interest, net of capitalized interest	2,931	3,374
Cash paid for income taxes, net	$ 293	$ 360