Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
Current assets:
Cash and cash equivalents	$ 37,218	$ 9,721	$ 36,985
Receivables, net	266,032	101,543	238,638
Product inventories, net	389,763	347,439	331,537
Prepaid expenses and other current assets	7,692	7,678	8,001
Deferred income taxes	10,211	10,211	10,681
Total current assets	710,916	476,592	625,842
Property and equipment, net	38,732	30,685	32,162
Goodwill	178,516	178,516	178,087
Other intangible assets, net	12,221	12,965	13,861
Equity interest investments	1,052	966	1,083
Other assets, net	29,113	28,821	28,836
Total assets	970,550	728,545	879,871
Current liabilities:
Accounts payable	247,904	169,700	221,374
Accrued expenses and other current liabilities	79,794	41,704	70,816
Current portion of long-term debt and other long-term liabilities	100,033	134	24,220
Total current liabilities	427,731	211,538	316,410
Deferred income taxes	26,151	25,593	22,132
Long-term debt	206,049	198,700	242,131
Other long-term liabilities	7,663	7,532	7,747
Total liabilities	667,594	443,363	588,420
Stockholders' equity:
Common stock	48	49	50
Additional paid-in capital	232,676	218,744	211,091
Retained earnings	66,478	67,681	79,395
Treasury stock	0	(2,344)	0
Accumulated other comprehensive income	3,754	1,052	915
Total stockholders' equity	302,956	285,182	291,451
Total liabilities and stockholders' equity	$ 970,550	$ 728,545	$ 879,871