Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

Share-based Compensation [Abstract]

Restricted Stock Units Granted Disclosure

During the nine months ended September 30, 2013, we granted the following restricted stock units to employees:

(Number of restricted stock shares in thousands)	Shares		Weighted- Average Grant Date Fair Value (per share)
Time-based	504
Performance-based	172	*
Market-based	86	*
Total granted	762		$	53.47

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* Assumes grant date expected payout