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Employee Benefit Plans (Restricted Stock Units) - Additional Information (Detail) $ / shares in Units, $ in Millions |  |  |  | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 02, 2015 | Apr. 03, 2012 | Mar. 24, 2011 | Oct. 31, 2015 USD ($) $ / shares
Schedule Of Restricted Stock [Line Items] |  |  |  |
Closing stock price | $ / shares |  |  |  | $ 49.98
Unamortized share-based compensation expense | $ |  |  |  | $ 156.9
Weighted-average period of total compensation costs to be recognized in years |  |  |  | 2 years 6 months
Restricted Stock Units |  |  |  |
Schedule Of Restricted Stock [Line Items] |  |  |  |
Share reserve ratio | 1.50 | 1.25 | 2.18 |
Revised share reserve ratio | 1.60 | 1.50 | 1.25 |
Restricted Stock Units | Minimum |  |  |  |
Schedule Of Restricted Stock [Line Items] |  |  |  |
Vesting period, (in years) |  |  |  | 3 years
Restricted Stock Units | Maximum |  |  |  |
Schedule Of Restricted Stock [Line Items] |  |  |  |
Vesting period, (in years) |  |  |  | 4 years

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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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