Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Earnings per Share

A reconciliation of basic and diluted shares follows (in thousands):

	Three months ended June 30,		Six months ended June 30,
	2013	2012	2013	2012
Average common shares outstanding - basic	123,599	123,033	123,417	122,891
Effect of dilutive securities - share-based compensation	786	728	885	836
Average common shares - diluted	124,385	123,761	124,302	123,727

Antidilutive Securities Excluded From Earnings per Share

Share options and appreciation rights granted under share-based compensation plans are antidilutive and excluded from diluted earnings per share when their exercise or strike price exceeds the average market price during the period.  The following table sets forth antidilutive shares excluded from diluted earnings per share.  Such securities could potentially dilute earnings per share in the future (in thousands):

	Three months ended June 30,		Six months ended June 30,
	2013	2012	2013	2012
Employee and director share options	53	42	53	42
Restricted shares	—	821	—	—
Share appreciation rights	1,017	616	1,017	616
Total potentially dilutive shares	1,070	1,479	1,070	658