Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 71,722	$ 56,352
Receivables, net	252,154	265,866
Inventories	189,571	165,336
Prepaid expenses and other current assets	20,492	17,483
Total current assets	533,939	505,037
Property, plant and equipment, net	316,062	315,320
Goodwill	44,020	43,620
Other intangible assets, net	27,622	30,004
Deferred tax assets	4,484	4,753
Other assets	3,587	3,982
Total assets	929,714	902,716
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current debt	3,584	1,518
Accounts payable	93,254	88,648
Accrued liabilities	39,769	68,248
Total current liabilities	136,607	158,414
Long-term debt, less current portion	193,636	158,957
Deferred tax liabilities	36,158	31,580
Other noncurrent liabilities	8,590	6,285
Total liabilities	374,991	355,236
Commitments and contingencies (Note 9)
Stockholders' Equity
Common stock, $0.01 par value (200,000,000 shares authorized and 106,071,255 and 104,571,839 shares issued, respectively)	1,061	1,046
Paid-in capital	611,667	603,849
Accumulated other comprehensive loss	(63,097)	(53,219)
Retained earnings	134,589	123,375
Treasury stock, at cost (15,513,806 and 15,366,504 shares, respectively)	(129,497)	(127,571)
Total stockholders’ equity	554,723	547,480
Total liabilities and stockholders' equity	$ 929,714	$ 902,716