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Shareholder's Equity - Additional Information (Detail) |  |  |  |  | 1 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Sep. 29, 2012 USD ($) | Sep. 29, 2012 CHF | Dec. 31, 2011 | Oct. 01, 2011 | Sep. 29, 2012 Fourth Quarter Twenty Twelve USD ($) | Sep. 29, 2012 First Quarter Twenty Thirteen USD ($) | Sep. 29, 2012 Second Quarter Twenty Thirteen USD ($) | Sep. 29, 2012 Stock Repurchase Program USD ($) | Oct. 01, 2012 Subsequent Event Stock Repurchase Program USD ($) | Sep. 29, 2012 Exercise of Warrants and Conversion of Notes | Sep. 29, 2012 Stockholder Rights Plan
Stockholders Equity Note Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |
Common Stock, share Authorized | 213,000,000 | 213,000,000 | 250,000,000 | 250,000,000 |  |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share |  | 0.50 |  |  |  |  |  |  |  |  |
Maximum Annual Authorized Share Increase | 106,500,000 | 106,500,000 |  |  |  |  |  |  |  | 81,500,000 | 25,000,000
Repurchase of shares of our common stock up to a maximum aggregate value |  |  |  |  |  |  |  | $ 400,000,000 | $ 800,000,000 |  |
Common Stock Authorized for Repurchase, Expiration Date |  |  |  |  |  |  |  |  | Dec. 31, 2015 |  |
Repurchase of Common Stock, Shares |  |  |  |  |  |  |  |  | 2,400,000 |  |
Repurchase of Common Stock, Value |  |  |  |  |  |  |  |  | 105,000,000 |  |
Dividends Payable Amount Per Share | $ 0.68 |  |  |  | $ 0.22 | $ 0.23 | $ 0.23 |  |  |  |
Dividend Payable | $ 142,999,000 |  |  |  |  |  |  |  |  |  |

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