Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Current assets:
Cash and cash equivalents	$ 27,563	$ 8,006	$ 26,936
Receivables, net	97,527	45,138	281,064
Receivables pledged under receivables facility	208,973	80,149	0
Product inventories, net	451,507	429,197	424,679
Prepaid expenses and other current assets	10,055	9,802	10,219
Deferred income taxes	5,416	5,457	5,103
Total current assets	801,041	577,749	748,001
Property and equipment, net	57,275	52,328	51,110
Goodwill	173,800	171,974	169,983
Other intangible assets, net	10,725	10,196	10,592
Equity interest investments	1,263	1,243	1,190
Other assets, net	11,344	10,271	9,133
Total assets	1,055,448	823,761	990,009
Current liabilities:
Accounts payable	233,549	214,596	239,976
Accrued expenses and other current liabilities	89,200	49,301	79,844
Current portion of long-term debt and other long-term liabilities	0	9	20
Total current liabilities	322,749	263,906	319,840
Deferred income taxes	19,979	19,108	15,263
Long-term debt	430,971	246,418	300,426
Other long-term liabilities	10,432	8,147	7,871
Total liabilities	784,131	537,579	643,400
Stockholders' equity:
Common stock	44	45	47
Additional paid-in capital	325,415	310,503	297,120
Retained (deficit) earnings	(56,381)	(27,278)	48,605
Accumulated other comprehensive income	2,239	2,912	837
Total stockholders' equity	271,317	286,182	346,609
Total liabilities and stockholders' equity	$ 1,055,448	$ 823,761	$ 990,009