Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

A summary of restricted stock and restricted stock unit activity and changes during the nine months ended September 30, 2013 is presented below:



Restricted Stock and Restricted Stock Units	Grants		Weighted Average Grant Date Fair Value		Aggregate Intrinsic Value ($000)

Outstanding at January 1, 2013 (non-vested)	843,527		$	34.52
Granted	33,181		46.09
Vesting (transfer/conversion to common stock)	(125,600	)	23.53
Forfeited	(14,661	)	35.78
Outstanding at September 30, 2013 (non-vested)	736,447		$	36.89	$	31,012

A summary of performance share unit activity and changes during the nine months ended September 30, 2013 is presented below:



Performance Share Units	Grants

Outstanding at January 1, 2013 (non-vested)	875,574
Granted	528
Vesting and transfer of ownership to recipients	—
Forfeited	(19,382	)
Outstanding at September 30, 2013 (non-vested)	856,720