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v2.4.0.8

Subsequent Event (Details) (USD $) | 0 Months Ended |
--- | --- | ---
Jan. 29, 2013 | Apr. 04, 2014 Subsequent Event [Member] | Mar. 25, 2014 Subsequent Event [Member] | Mar. 25, 2014 Subsequent Event [Member] Senior Notes [Member] Senior Notes Due Two Thousand Nineteen at Four Point Seven Five Percent [Member]
Subsequent Event [Line Items] |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 4.75%
Percentage of Principal Amount in Relation to Issued Value of Senior Notes |  |  |  | 100.00%
Debt Instrument, Face Amount |  |  |  | $ 400,000,000
Stock Issued During Period, Shares, New Issues | 6,325,000 | 1,041,666 | 6,944,445 |
Common Stock, Par or Stated Value Per Share | $ 1.00 |  | $ 1.00 |
Treasury Stock Acquired, Average Cost Per Share | $ 18.25 | $ 18.00 | $ 18.00 |

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