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Segment Information - Net Sales by Product Family- Excluding Intercompany Transactions (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Net sales	$ 529,946	$ 479,864
Mobile Speakers
Segment Reporting Information [Line Items]
Net sales	62,918	57,296
Audio-PC & Wearables
Segment Reporting Information [Line Items]
Net sales	50,202	56,579
Gaming
Segment Reporting Information [Line Items]
Net sales	77,708	56,500
Video Collaboration
Segment Reporting Information [Line Items]
Net sales	35,617	23,910
Smart Home
Segment Reporting Information [Line Items]
Net sales	16,466	11,167
Pointing Devices
Segment Reporting Information [Line Items]
Net sales	122,074	116,783
Keyboards & Combos
Segment Reporting Information [Line Items]
Net sales	116,113	118,019
Tablet & Other Accessories
Segment Reporting Information [Line Items]
Net sales	23,218	13,885
PC Webcams
Segment Reporting Information [Line Items]
Net sales	25,625	25,262
Other
Segment Reporting Information [Line Items]
Net sales	$ 5	$ 463

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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- Definition

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+ References

No definition available.

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