Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
Current assets:
Cash and cash equivalents	$ 14,455	$ 8,006	$ 24,222
Receivables, net	69,847	45,138	180,898
Receivables pledged under receivables facility	137,318	80,149	0
Product inventories, net	414,331	429,197	365,596
Prepaid expenses and other current assets	10,561	9,802	9,474
Deferred income taxes	5,378	5,457	3,742
Total current assets	651,890	577,749	583,932
Property and equipment, net	57,260	52,328	51,537
Goodwill	174,607	171,974	169,983
Other intangible assets, net	12,433	10,196	10,390
Equity interest investments	1,289	1,243	1,112
Other assets, net	11,757	10,271	9,920
Total assets	909,236	823,761	826,874
Current liabilities:
Accounts payable	154,511	214,596	142,777
Accrued expenses and other current liabilities	75,222	49,301	64,737
Current portion of long-term debt and other long-term liabilities	2,618	9	15
Total current liabilities	232,351	263,906	207,529
Deferred income taxes	19,934	19,108	15,463
Long-term debt	391,120	246,418	260,432
Other long-term liabilities	10,027	8,147	7,619
Total liabilities	653,432	537,579	491,043
Redeemable noncontrolling interest	3,144	0	0
Stockholders' equity:
Common stock	43	45	46
Additional paid-in capital	329,588	310,503	305,831
Retained (deficit) earnings	(77,619)	(27,278)	29,536
Accumulated other comprehensive income	648	2,912	418
Total stockholders' equity	252,660	286,182	335,831
Total liabilities, redeemable noncontrolling interest and stockholders' equity	$ 909,236	$ 823,761	$ 826,874