Subsequent Event-Stock Split (Tables)

6 Months Ended

Jun. 30, 2013

Subsequent Event-Stock Split

Schedule of pro forma earnings per share and weighted-average shares outstanding, giving retroactive effect to the stock split

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Earnings per share
Basic – as reported (pre-stock split)	$	0.42	$	0.17	$	0.63	$	0.26
Basic – pro forma (post-stock split)	0.21		0.09		0.32		0.13
Diluted – as reported (pre-stock split)	0.42		0.17		0.62		0.26
Diluted – pro forma (post-stock split)	0.21		0.09		0.31		0.13
Weighted-average shares outstanding
Basic – as reported (pre-stock split)	210,349		209,512		210,250		209,320
Basic – pro forma (post-stock split)	420,698		419,024		420,500		418,640
Diluted – as reported (pre-stock split)	211,745		211,158		211,492		210,974
Diluted – pro forma (post-stock split)	423,490		422,316		422,984		421,948