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Stockholders Equity - Additional Information (Detail) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified |
6 Months Ended | 113 Months Ended | 1 Months Ended | 6 Months Ended | ||||
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Oct. 26, 2012
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Oct. 26, 2012
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Nov. 30, 2012
Repurchase of equity additional amount
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Oct. 26, 2012
Additional Paid-in Capital
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Oct. 26, 2012
Retained Earnings
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Oct. 26, 2012
Stock Options
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Oct. 26, 2012
Restricted Stock Units
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Oct. 26, 2012
Employee Stock Purchase Plan
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||
| Unrecognized compensation expense related to options, total | $ 68,600,000 | $ 379,100,000 | $ 63,500,000 | |||||
| Unrecognized compensation expense will be amortized on a straight-line basis over a weighted-average remaining period, in years | 2 years 3 months 18 days | 2 years 9 months 18 days | 1 year 7 months 6 days | |||||
| Percentage of discount from quoted market price, employees entitled to buy shares (ESPP) | 15.00% | |||||||
| Repurchase and retirement of common stock, shares | 10.9 | |||||||
| Average price of common stock repurchased under repurchase program | $ 31.86 | $ 29.84 | ||||||
| Aggregate purchase price of common stock authorized under repurchase program | 348,300,000 | 3,900,000,000 | 104,600,000 | 243,700,000 | ||||
| Cumulative Shares Repurchased | 129.9 | |||||||
| Stock repurchase program, authorized amount | 4,000,000,000 | 1,500,000,000 | ||||||
| Stock repurchase program, remaining authorized amount | $ 100,000,000 | |||||||