Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2012

A summary of restricted stock transactions during the nine months ended September 30, 2012 follows:



	Number of shares
Non-vested shares outstanding at January 1, 2012	997,497
Awarded:
Time-vesting (average grant-date fair value of $33.75)	126,582
Performance-based (average grant-date fair value of $39.52)	216,188
Performance-based – achieved 149% level (grant-date fair value of $33.98)	125,552
Released:
Time-vesting shares awarded in 2009 through 2011	(185,848	)
Performance-based shares awarded in 2009	(256,229	)
Performance-based awards – achieved 149% level	(125,552	)
Non-vested shares outstanding at September 30, 2012	898,190