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Share-Based Payments (Details 2)
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9 Months Ended | |||||||||||
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Sep. 30, 2012
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Sep. 30, 2011
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Market stock units [Member]
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| Schedule of stock option grants | ||||||||||||
| Stock units | 312,000 | [1] | 393,000 | [1] | ||||||||
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Cash settled performance shares [Member]
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| Schedule of stock option grants | ||||||||||||
| Stock units | 327,000 | [2] | 490,000 | [2] | ||||||||
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Time-vested restricted stock units [Member]
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| Schedule of stock option grants | ||||||||||||
| Stock units | 902,000 | [3] | 1,352,000 | [3] | ||||||||
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Performance vested restricted stock units [Member]
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| Schedule of stock option grants | ||||||||||||
| Stock units | 0 | [4] | 1,000 | [4] | ||||||||
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