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Segment Information - Net Sales by Product Family- Excluding Intercompany Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Net sales	$ 632,470	$ 564,304	$ 1,162,416	$ 1,044,168
Pointing Devices
Segment Reporting Information [Line Items]
Net sales	123,643	123,300	245,717	240,083
Keyboards & Combos
Segment Reporting Information [Line Items]
Net sales	119,200	116,516	235,313	234,535
PC Webcams
Segment Reporting Information [Line Items]
Net sales	27,466	24,307	53,091	49,569
Tablet & Other Accessories
Segment Reporting Information [Line Items]
Net sales	30,784	20,614	54,002	34,499
Video Collaboration
Segment Reporting Information [Line Items]
Net sales	46,139	28,581	81,756	52,491
Mobile Speakers
Segment Reporting Information [Line Items]
Net sales	90,548	97,172	153,466	154,468
Audio-PC & Wearables
Segment Reporting Information [Line Items]
Net sales	62,445	62,254	112,647	118,833
Gaming
Segment Reporting Information [Line Items]
Net sales	113,722	79,193	191,430	135,693
Smart Home
Segment Reporting Information [Line Items]
Net sales	18,323	11,807	34,789	22,974
Other
Segment Reporting Information [Line Items]
Net sales	$ 200	$ 560	$ 205	$ 1,023

X

- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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+ References

No definition available.

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