Note 2 - Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended September 30,										Nine Months Ended September 30,
End Market	2018		% of Revenue			2017 (1)		% of Revenue			2018		% of Revenue			2017 (1)		% of Revenue
Computing and storage	$	47,658		29.8	%	$	29,020		22.5	%	$	115,584		27.0	%	$	74,103		21.7	%
Automotive		19,785		12.4			12,857		10.0			57,857		13.5			38,042		11.1
Industrial		24,869		15.5			16,348		12.7			61,544		14.3			46,736		13.7
Communications		19,158		12.0			15,372		11.9			50,442		11.8			47,748		14.0
Consumer		48,505		30.3			55,342		42.9			143,458		33.4			134,870		39.5
Total	$	159,975		100.0	%	$	128,939		100.0	%	$	428,885		100.0	%	$	341,499		100.0	%

Accounting Standards Update 2014-09 [Member]

Notes Tables

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

	September 30, 2018
	Topic 606
Line Item	(As Reported)		Topic 605		Difference
Assets:
Accounts receivable	$	59,887	$	61,430	$	(1,543	)
Inventories	$	136,790	$	137,129	$	(339	)
Other current assets	$	12,876	$	10,556	$	2,320
Total current assets	$	557,401	$	556,963	$	438
Deferred tax assets, net	$	12,852	$	12,953	$	(101	)
Total assets	$	763,157	$	762,820	$	337
Liabilities and Stockholders' Equity:
Accrued liabilities	$	34,908	$	35,190	$	(282	)
Total current liabilities	$	85,507	$	85,789	$	(282	)
Total liabilities	$	152,993	$	153,275	$	(282	)
Retained earnings	$	180,819	$	180,200	$	619
Total stockholders' equity	$	610,164	$	609,545	$	619
Total liabilities and stockholders' equity	$	763,157	$	762,820	$	337

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
	Topic 606						Topic 606
Line Item	(As Reported)		Topic 605		Difference		(As Reported)		Topic 605		Difference
Revenue	$	159,975	$	159,723	$	252	$	428,885	$	428,440	$	445
Cost of revenue	$	70,957	$	70,848	$	109	$	190,810	$	190,668	$	142
Gross profit	$	89,018	$	88,875	$	143	$	238,075	$	237,772	$	303
Income from operations	$	33,493	$	33,350	$	143	$	80,411	$	80,108	$	303
Income before income taxes	$	36,207	$	36,064	$	143	$	85,798	$	85,495	$	303
Income tax provision	$	4,639	$	4,609	$	30	$	8,168	$	8,104	$	64
Net income	$	31,568	$	31,455	$	113	$	77,630	$	77,391	$	239
Net income per share - basic	$	0.75	$	0.74	$	0.01	$	1.84	$	1.84	$	-
Net income per share - diluted	$	0.71	$	0.70	$	0.01	$	1.75	$	1.74	$	0.01

	Three Months Ended September 30, 2018						Nine Months Ended September 30, 2018
	Topic 606						Topic 606
Line Item	(As Reported)		Topic 605		Difference		(As Reported)		Topic 605		Difference
Net income	$	31,568	$	31,455	$	113	$	77,630	$	77,391	$	239
Comprehensive income	$	27,533	$	27,420	$	113	$	70,077	$	69,838	$	239

	Nine Months Ended September 30, 2018
	Topic 606
Line Item	(As Reported)			Topic 605			Difference
Cash flows from operating activities:
Net income	$	77,630		$	77,391		$	239
Changes in operating assets and liabilities:
Accounts receivable	$	(22,752	)	$	(23,394	)	$	642
Inventories	$	(37,496	)	$	(37,835	)	$	339
Other assets	$	(665	)	$	1,563		$	(2,228	)
Accrued liabilities	$	4,635		$	3,691		$	944
Income tax liabilities	$	528		$	464		$	64