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Schedule II - Valuation and Qualifying Accounts (Detail) - USD ($) $ in Millions | 12 Months Ended
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Mar. 30, 2019 | Mar. 31, 2018 | Apr. 01, 2017
Allowance for Doubtful Accounts [Member] |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Period | $ 0.2 | $ 0.9 | $ 0.8
Additions | 0.5 | 0.1 | 0.7
Deductions | (0.1) | (0.8) | (0.6)
Balance at End of Period | 0.6 | 0.2 | 0.9
Valuation Allowance for Deferred Taxes [Member] |  |  |
Valuation And Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Period | 6.4 | 15.0 | 50.4
Additions | 0.3 | 0.3 | 0.5
Deductions | (1.3) | (8.9) | (35.9)
Other | 1.9 |  |
Balance at End of Period | $ 7.3 | $ 6.4 | $ 15.0

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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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