Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
ASSETS
Cash and cash equivalents	$ 93,148	$ 107,138
Receivables, net	177,484	206,364
Inventories	144,876	163,657
Prepaid expenses and other current assets	31,198	29,219
Total current assets	446,706	506,378
Property, plant and equipment, net	311,220	307,632
Goodwill	18,620	19,009
Other intangible assets, net	5,985	11,051
Deferred tax assets	3,684	1,821
Other assets	3,808	3,002
Total assets	790,023	848,893
LIABILITIES AND STOCKHOLDERS’ EQUITY
Short-term debt	10,193	7,382
Accounts payable	50,357	72,211
Accrued liabilities	36,680	45,835
Total current liabilities	97,230	125,428
Long-term debt, less current portion	160,460	171,211
Deferred tax liabilities	28,392	26,368
Other noncurrent liabilities	6,254	5,627
Total liabilities	292,336	328,634
Commitments and contingencies (Note 8)
Stockholders' Equity
Common stock, $0.01 par value, 200,000,000 shares authorized and 99,662,742 and 99,377,391 shares issued, respectively	997	994
Paid-in capital	537,108	533,746
Accumulated other comprehensive loss	(57,407)	(58,276)
Retained earnings	143,756	171,788
Treasury stock, at cost; 15,240,397 and 15,302,345 shares, respectively	(126,767)	(127,993)
Total stockholders’ equity	497,687	520,259
Total liabilities and stockholders' equity	$ 790,023	$ 848,893