CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 414,190	$ 423,497
Trade receivables, net	208,496	213,513
Inventories, net	346,737	355,413
Deferred income taxes	0	24,497
Prepaids and other current assets	37,806	39,791
Total current assets	1,007,229	1,056,711
Property, plant and equipment, net	319,974	323,149
Deferred income taxes	23,139	1,699
Goodwill	46,514	34,371
Intangible assets	39,843	29,594
Other assets	16,788	15,880
Total assets	1,453,487	1,461,404
Current liabilities:
Accounts payable	25,696	36,108
Accrued income taxes	21,961	24,543
Customer prepayments	6,629	11,884
Accrued compensation	12,468	10,829
Other accrued liabilities	16,439	18,116
Total current liabilities	83,193	101,480
Deferred income taxes	2,298	3,500
Total liabilities	85,491	104,980
Commitments and contingencies (Note 10)
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, 37,831,982 and 37,797,317 shares issued and outstanding at March 31, 2017 and December 31, 2016	375	375
Additional paid-in capital	9,087	5,468
Retained earnings	1,501,082	1,500,988
Accumulated other comprehensive losses	(142,548)	(150,407)
Total stockholders’ equity	1,367,996	1,356,424
Total liabilities and stockholders’ equity	$ 1,453,487	$ 1,461,404