Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from (used for) operating activities:
Net income	$ 5,163	$ 6,230
Adjustments to reconcile net income to net cash from (used for) operating activities -
Depreciation and amortization	5,850	5,280
Loss on disposition of property and equipment	83
Stock-based compensation	797	1,237
Insurance recovery receivable	(872)
Other long-term assets	(1,467)	(3,231)
Other long-term liabilities	(1,573)	1,824
	7,981	11,340
Changes in working capital:
Accounts receivable	(35,899)	(44,682)
Inventories	14,839	(39,961)
Prepaid expenses and other	4,774	2,877
Accounts payable	7,890	31,305
Change in outstanding checks	1,543	1,371
Accrued payroll and other accrued liabilities	539	(2,067)
	(6,314)	(51,157)
Net cash from (used for) operating activities	1,667	(39,817)
Cash flows from (used for) investing activities:
Capital expenditures	(1,714)	(7,969)
Proceeds from disposition of property and equipment		2
Net cash used for investing activities	(1,714)	(7,967)
Cash flows from (used for) financing activities:
Credit facility revolver borrowings	101,864	154,060
Credit facility revolver repayments	(104,484)	(106,000)
Principal payments under capital lease obligations	(27)	(51)
Term loan repayments	(2,187)	(2,188)
Credit facility fees and expenses		(1,085)
Proceeds from exercise of stock options (including tax benefits) and employee stock purchases	117	119
Dividends paid	(219)	(218)
Net cash from (used for) financing activities	(4,936)	44,637
Cash and cash equivalents:
Net change	(4,983)	(3,147)
Beginning balance	7,782	7,403
Ending balance	$ 2,799	$ 4,256