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Segment Information - Net Sales by Product Family- Excluding Intercompany Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Net sales	$ 902,687	$ 864,388	$ 2,266,603	$ 2,164,014
Pointing Devices
Segment Reporting Information [Line Items]
Net sales	154,540	149,123	409,293	405,250
Keyboards & Combos
Segment Reporting Information [Line Items]
Net sales	156,333	144,169	424,061	404,263
PC Webcams
Segment Reporting Information [Line Items]
Net sales	32,165	33,021	89,041	90,916
Tablet & Other Accessories
Segment Reporting Information [Line Items]
Net sales	31,256	35,757	103,442	104,903
Video Collaboration
Segment Reporting Information [Line Items]
Net sales	91,964	74,186	254,941	190,154
Mobile Speakers
Segment Reporting Information [Line Items]
Net sales	92,969	96,263	200,617	207,690
Audio & Wearables
Segment Reporting Information [Line Items]
Net sales	81,934	98,629	208,576	212,343
Gaming
Segment Reporting Information [Line Items]
Net sales	245,736	213,663	541,265	510,481
Smart Home
Segment Reporting Information [Line Items]
Net sales	15,790	19,577	35,088	37,829
Other
Segment Reporting Information [Line Items]
Net sales	$ 0	$ 0	$ 279	$ 185

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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