Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 59,938	$ 56,352
Receivables, net	267,179	265,866
Inventories	189,109	165,336
Prepaid expenses and other current assets	16,502	17,483
Total current assets	532,728	505,037
Property, plant and equipment, net	315,552	315,320
Goodwill	44,397	43,620
Other intangible assets, net	28,906	30,004
Deferred tax assets	3,389	4,753
Other assets	3,752	3,982
Total assets	928,724	902,716
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current debt	1,391	1,518
Accounts payable	107,601	88,648
Accrued liabilities	38,880	68,248
Total current liabilities	147,872	158,414
Long-term debt, less current portion	185,635	158,957
Deferred tax liabilities	36,978	31,580
Other noncurrent liabilities	8,024	6,285
Total liabilities	378,509	355,236
Commitments and contingencies (Note 8)
Stockholders' Equity
Common stock, $0.01 par value, 200,000,000 shares authorized and 104,635,290 and 104,571,839 shares issued, respectively	1,046	1,046
Paid-in capital	606,491	603,849
Accumulated other comprehensive loss	(53,885)	(53,219)
Retained earnings	123,743	123,375
Treasury stock, at cost; 15,318,800 and 15,366,504 shares, respectively	(127,180)	(127,571)
Total stockholders’ equity	550,215	547,480
Total liabilities and stockholders' equity	$ 928,724	$ 902,716