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Income Taxes - Deferred Income Taxes - Undistributed Earnings - Narrative (Detail) - USD ($) | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jan. 29, 2017 | Apr. 28, 2019 | Dec. 31, 2017 | Apr. 30, 2017 | Jan. 28, 2018
Income Taxes [Line Items] |  |  |  |  |
Undistributed earnings from our foreign subsidiaries that will not be reinvested indefinitely | $ 143,200,000 |  | $ 156,700,000 | $ 146,900,000 |
U.S. foreign income tax credits | 42,100,000 |  | $ 42,200,000 | 43,500,000 |
Deferred tax liability, undistributed earnings from foreign subsidiaries | 405,000 |  |  | 497,000 | $ 3,100,000
U.S. income and foreign withholding taxes | $ 42,500,000 |  |  | $ 44,000,000 |
Scenario, Forecast [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Dividends received deduction percentage for earnings and profits received from foreign corporation |  | 100.00% |  |  |
Dividends received deduction, foreign corporation ownership percentage |  | 10.00% |  |  |

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