CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities
Net income	$ 41,842	$ 36,106
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	12,730	12,429
Amortization of intangibles	16,413	16,278
Loss on debt extinguishment	1,042	1,304
Deferred income taxes	14,571	23,559
Stock-based compensation	5,509	5,525
Accretion of debt discount	3,624	3,455
Changes in operating assets and liabilities
Accounts receivable	(31,263)	(33,419)
Inventories	(79,534)	(49,173)
Prepaid expenses and other	2,721	1,788
Accounts payable and accrued liabilities	25,094	33,315
Other, net	1,961	2,593
Net cash provided by operating activities	14,710	53,760
Cash flows from investing activities
Capital expenditures	(9,017)	(11,566)
Acquisition, net of cash acquired	0	(15,985)
Other	4,228	2,500
Net cash used in investing activities	(4,789)	(25,051)
Cash flows from financing activities
Proceeds from exercise of stock options	1,789	447
Borrowings under revolving credit facilities	565	910
Payments under revolving credit facilities	(565)	(910)
Principal payments under capital lease obligations	(1,492)	(1,309)
Principal payments under term loan credit facility	(42,078)	(42,135)
Principal payments under industrial revenue bond	(354)	(265)
Debt issuance costs paid	0	(981)
Stock repurchase	(1,497)	(35)
Net cash used in financing activities	(43,632)	(44,278)
Net decrease in cash and cash equivalents	(33,711)	(15,569)
Cash and cash equivalents at beginning of period	113,262	81,449
Cash and cash equivalents at end of period	$ 79,551	$ 65,880