Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income	$ 111,159	$ 56,607	$ 51,959
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	36,179	31,757	29,503
Amortization	4,763	3,956	5,981
Deferred income taxes	(5,786)	9,064	(17,991)
Asset impairment	5,504		46,530
Thailand flood insurance recovery	(10,748)		(56,152)
Gain on the sale of property, plant and equipment	(1,161)	(229)	(190)
Stock-based compensation expense	7,053	6,270	5,097
Excess tax shortfall (benefits) from stock-based compensation	(354)	(76)	14
Changes in operating assets and liabilities:
Accounts receivable	(56,633)	(34,359)	27,703
Inventories	(17,832)	66,089	(72,666)
Prepaid expenses and other assets	6,335	32,375	12,087
Accounts payable	19,725	(21,081)	28,391
Accrued liabilities	(9,305)	3,176	2,655
Income taxes	10,178	(2,402)	(8,137)
Net cash provided by operations	99,077	151,147	54,784
Cash flows from investing activities:
Proceeds from sales and redemptions of investments	821	15,825	11,150
Additions to property, plant and equipment	(26,829)	(47,911)	(71,396)
Proceeds from the sale of property, plant and equipment	1,908	346	369
Additions to purchased software	(1,908)	(1,124)	(601)
Business acquisition, net of cash acquired	94,271
Thailand flood property insurance proceeds	10,748	23,372
Other	814
Net cash used in investing activities	(108,717)	(9,492)	(60,478)
Cash flows from financing activities:
Proceeds from stock options exercised	11,203	4,657	2,571
Excess tax (shortfall) benefits from stock-based compensation	354	76	(14)
Principal payments on capital lease obligations	(497)	(419)	(363)
Share repurchases	(41,168)	(47,106)	(56,281)
Debt issuance costs		(931)
Net cash used in financing activities	(30,108)	(43,723)	(54,087)
Effect of exchange rate changes	724	2,727	(2,644)
Net increase (decrease) in cash and cash equivalents	(39,024)	100,659	(62,425)
Cash and cash equivalents at beginning of year	384,579	283,920	346,345
Cash and cash equivalents at end of year	$ 345,555	$ 384,579	$ 283,920