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Shareholders' Equity (Details) $ / shares in Units, $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Apr. 28, 2017 USD ($) $ / shares shares | Apr. 29, 2016 $ / shares shares | Jun. 26, 2017 shares | Apr. 28, 2017 € / shares shares | Jun. 30, 2015 shares
Class of Stock [Line Items] |  |  |  |  |
Common stock, authorized (shares) | 2,600,000,000 | 2,600,000,000 |  | 2,600,000,000 |
Common stock, par value (in dollars per share) | $ / shares | $ 0.0001 | $ 0.0001 |  |  |
Deferred stock, shares authorized | 40,000 |  |  | 40,000 |
Deferred stock, par value (in euros per share) | € / shares |  |  |  | € 1.00 |
Deferred stock, issued (shares) | 0 |  |  | 0 |
Deferred stock, outstanding (shares) | 0 |  |  | 0 |
Preferred stock, authorized (shares) | 127,500,000.0 |  |  | 127,500,000.0 |
Preferred stock, par value (in dollars per share) | $ / shares | $ 0.20 |  |  |  |
Preferred stock, issued (shares) | 0 |  |  | 0 |
Preferred stock, outstanding (shares) | 0 |  |  | 0 |
Stock issued to advisors (shares) | 624 |  |  |  |
Stock issued during period (shares) | 1,872 |  |  |  |
Stock issued during period | $ | $ 75 |  |  |  |
June 2015 Share Repurchase Program |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Shares repurchased (shares) | 43,000,000 | 38,000,000 |  |  |
Average repurchase price (in dollars per share) | $ / shares | $ 83.03 | $ 74.92 |  |  |
Common stock authorized to be repurchased (shares) | 80,000,000 |  |  | 80,000,000 | 80,000,000
Number of shares repurchased to date | 51,000,000 |  |  | 51,000,000 |
Common stock available for future repurchases (shares) | 29,000,000 |  |  | 29,000,000 |
Series A Preferred Shares |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Preferred stock, authorized (shares) | 500,000 |  |  | 500,000 |
Preferred stock, par value (in dollars per share) | $ / shares | $ 1.00 |  |  |  |
Subsequent event | June 2017 Share Repurchase Program |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock authorized to be repurchased (shares) |  |  | 5,000,000,000 |  |

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