Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 68,237	$ 87,878
Receivables, net	230,193	214,307
Inventories	156,947	143,612
Prepaid expenses and other current assets	50,010	17,143
Total current assets	505,387	462,940
Property, plant and equipment, net	304,129	303,654
Goodwill	20,238	19,995
Other intangible assets, net	4,892	6,067
Deferred tax assets	2,388	1,747
Other assets	3,434	3,780
Total assets	840,468	798,183
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current debt	85,879	83,368
Accounts payable	82,302	65,281
Accrued liabilities	39,863	31,152
Total current liabilities	208,044	179,801
Long-term debt, less current portion	75,107	72,900
Deferred tax liabilities	36,070	38,743
Other noncurrent liabilities	6,943	6,196
Total liabilities	326,164	297,640
Commitments and contingencies (Note 10)
Stockholders' Equity
Common stock, $0.01 par value, 200,000,000 shares authorized and 100,881,208 and 99,843,094 shares issued, respectively	1,009	998
Paid-in capital	565,568	558,966
Accumulated other comprehensive loss	(55,384)	(63,208)
Retained earnings	130,285	129,873
Treasury stock, at cost; 15,321,316 and 15,162,050 shares, respectively	(127,174)	(126,086)
Total stockholders’ equity	514,304	500,543
Total liabilities and stockholders' equity	$ 840,468	$ 798,183