v3.25.4

Shares Used In Computing Diluted Net Income (Loss) Per Share - Shares Used In Computing Diluted Net Income (Loss) Per Share (Detail) - shares | 3 Months Ended | 9 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2025 | Dec. 31, 2024
Shares Used In Computing Diluted Net Income Loss Per Share [Line Items] |  |  |  |
Weighted average shares used in computing basic net income (loss) per share attributable to Viasat, Inc. common stockholders | 135,730,000 | 128,941,000 | 134,148,000 | 127,968,000
Weighted average shares used in computing diluted net (loss) income per share attributable to Viasat, Inc. common stockholders | 140,915,000 | 128,941,000 | 134,148,000 | 127,968,000
Market Based Performance Stock Options And Market Based Performance Stock Units [Member] |  |  |  |
Shares Used In Computing Diluted Net Income Loss Per Share [Line Items] |  |  |  |
Weighted average options to purchase common stock as determined by application of the treasury stock method | 628,000 |  |  |
Viasat 401(k) Profit Sharing Plan and Employee Stock Purchase Plan [Member] |  |  |  |
Shares Used In Computing Diluted Net Income Loss Per Share [Line Items] |  |  |  |
Weighted average options to purchase common stock as determined by application of the treasury stock method | 819,000 |  |  |
Employee Stock Option [Member] |  |  |  |
Shares Used In Computing Diluted Net Income Loss Per Share [Line Items] |  |  |  |
Weighted average options to purchase common stock as determined by application of the treasury stock method | 28,000 |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |
Shares Used In Computing Diluted Net Income Loss Per Share [Line Items] |  |  |  |
Weighted average options to purchase common stock as determined by application of the treasury stock method | 3,554,000 |  |  |
Performance Shares [Member] |  |  |  |
Shares Used In Computing Diluted Net Income Loss Per Share [Line Items] |  |  |  |
Weighted average options to purchase common stock as determined by application of the treasury stock method | 156,000 |  |  |

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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480454/718-10-45-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-22 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 23 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-23 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-28A + Details
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 16 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-16 + Details
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-10 + Details
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