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Segment Information - Net Sales by Product Family- Excluding Intercompany Transactions (Details) - USD ($) $ in Thousands | 3 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
Segment Reporting Information [Line Items] |  |
Net sales | $ 608,480 | $ 529,946
Pointing Devices |  |
Segment Reporting Information [Line Items] |  |
Net sales | 127,790 | 122,074
Keyboards & Combos |  |
Segment Reporting Information [Line Items] |  |
Net sales | 128,222 | 116,113
PC Webcams |  |
Segment Reporting Information [Line Items] |  |
Net sales | 29,674 | 25,625
Tablet & Other Accessories |  |
Segment Reporting Information [Line Items] |  |
Net sales | 32,436 | 23,218
Video Collaboration |  |
Segment Reporting Information [Line Items] |  |
Net sales | 58,792 | 35,617
Mobile Speakers |  |
Segment Reporting Information [Line Items] |  |
Net sales | 34,327 | 62,918
Audio & Wearables |  |
Segment Reporting Information [Line Items] |  |
Net sales | 52,154 | 50,202
Gaming |  |
Segment Reporting Information [Line Items] |  |
Net sales | 136,026 | 77,708
Smart Home |  |
Segment Reporting Information [Line Items] |  |
Net sales | 9,011 | 16,466
Other |  |
Segment Reporting Information [Line Items] |  |
Net sales | $ 48 | $ 5

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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