Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017	Sep. 30, 2017
Current assets
Cash and cash equivalents	$ 18,250	$ 26,049	$ 19,762
Accounts receivable, net of allowances of $2,866, $2,343, and $1,536 at September 30, 2018, September 30, 2017, and December 31, 2017, respectively	162,748	82,157	139,144
Inventories, net	325,819	274,748	229,763
Prepaid expenses and other current assets	49,887	34,125	45,384
Total current assets	556,704	417,079	434,053
Fixed assets, net	304,144	228,950	210,304
Goodwill	163,211	124,183	123,001
Other intangible assets, net	171,724	130,132	134,761
Deferred taxes	12,643	24,156	32,380
Other assets	25,793	21,358	21,277
Total assets	1,234,219	945,858	955,776
Current liabilities
Accounts payable, trade	80,859	79,164	88,148
Accrued expenses and other current liabilities	101,848	102,849	109,849
Total current liabilities	182,707	182,013	197,997
Long-term indebtedness	243,504	49,924	49,918
Other long-term liabilities	72,362	61,176	60,805
Total liabilities	498,573	293,113	308,720
Stockholders’ equity
Common stock, par value $.01 per share	279	277	276
Paid-in capital	204,748	203,990	201,814
Retained earnings	558,742	475,506	472,154
Accumulated other comprehensive income	1,344	2,439	2,279
Stockholders’ equity before treasury stock	765,113	682,212	676,523
Treasury stock, at cost	(29,467)	(29,467)	(29,467)
Total stockholders’ equity	735,646	652,745	647,056
Total liabilities and stockholders’ equity	$ 1,234,219	$ 945,858	$ 955,776