Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
ASSETS
Cash and cash equivalents	$ 38,468	$ 32,755
Accounts receivable, net	107,713	88,434
Inventories	164,298	181,467
Other current assets	69,380	81,961
Total current assets	379,859	384,617
Property, plant and equipment, net	201,690	201,985
Goodwill	84,373	84,373
Intangibles and other assets, net	71,669	74,691
Total assets	737,591	745,666
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	4,004	4,002
Accounts payable, trade and other	37,800	38,717
Other current liabilities	37,146	34,613
Total current liabilities	78,950	77,332
Long-term debt	135,004	159,007
Other long-term liabilities	47,454	45,908
Total liabilities	261,408	282,247
Commitments and contingencies (note 13)
Stockholders’ equity:
Common stock, par value $.001 per share; authorized 100,000,000 shares; issued 22,379,497 and 22,327,670 shares and outstanding 21,941,622 and 21,893,137 shares	22	22
Paid-in capital	122,334	120,046
Common stock held in treasury, at cost (437,875 and 434,533 shares)	(25,980)	(19,599)
Retained earnings	381,736	364,515
Accumulated other comprehensive loss	(1,929)	(1,565)
Total stockholders’ equity	476,183	463,419
Total liabilities and stockholders’ equity	$ 737,591	$ 745,666