Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 17,487	$ 9,721
Receivables, net	110,555	101,543
Product inventories, net	386,924	347,439
Prepaid expenses and other current assets	11,298	7,678
Deferred income taxes	11,737	10,211
Total current assets	538,001	476,592
Property and equipment, net	41,394	30,685
Goodwill	177,103	178,516
Other intangible assets, net	11,738	12,965
Equity interest investments	980	966
Other assets, net	29,406	28,821
Total assets	798,622	728,545
Current liabilities:
Accounts payable	177,437	169,700
Accrued expenses and other current liabilities	53,398	41,704
Current portion of long-term debt and other long-term liabilities	22	134
Total current liabilities	230,857	211,538
Deferred income taxes	32,993	25,593
Long-term debt	247,300	198,700
Other long-term liabilities	7,726	7,532
Total liabilities	518,876	443,363
Stockholders' equity:
Common stock	47	49
Additional paid-in capital	243,180	218,744
Retained earnings	34,299	67,681
Treasury stock	0	(2,344)
Accumulated other comprehensive income	2,220	1,052
Total stockholders' equity	279,746	285,182
Total liabilities and stockholders' equity	$ 798,622	$ 728,545