CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 423,497	$ 381,336
Trade receivables, net	213,513	319,780
Inventories, net	355,413	344,458
Deferred income taxes	24,497	24,613
Prepaids and other current assets	39,791	54,111
Total current assets	1,056,711	1,124,298
Property, plant and equipment, net	323,149	294,251
Deferred income taxes	1,699	0
Goodwill	34,371	0
Intangible assets	29,594	0
Other assets	15,880	9,701
Total assets	1,461,404	1,428,250
Current liabilities:
Accounts payable	36,108	30,934
Accrued income taxes	24,543	14,052
Customer prepayments	11,884	18,388
Accrued compensation	10,829	17,957
Other accrued liabilities	18,116	19,484
Total current liabilities	101,480	100,815
Deferred income taxes	3,500	2,977
Total liabilities	104,980	103,792
Commitments and contingencies (Note 12)
Stockholders’ equity:
Preferred stock: 10,000,000 shares authorized at $0.01 par value (none issued)	0	0
Common stock:
100,000,000 shares authorized at $0.01 par value at December 31, 2016 and 2015, 37,797,317 and 37,951,223 issued and outstanding at December 31, 2016 and 2015	375	378
Additional paid-in capital	5,468	0
Retained earnings	1,500,988	1,425,344
Accumulated other comprehensive losses	(150,407)	(101,264)
Total stockholders’ equity	1,356,424	1,324,458
Total liabilities and stockholders’ equity	$ 1,461,404	$ 1,428,250