Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2011

Earnings Per Share

Computation Of Basic And Diluted Earnings Per Share

	Three Months Ended June 30,				Six Months Ended June 30,
	2011		2010		2011		2010
Basic:
Numerator:
Net income attributable to Sotheby's	$	127,234	$	86,239	$	129,655	$	84,062
Less: Net income attributable to participating securities		1,237		1,905		1,602		2,176
Net income attributable to Sotheby's common shareholders	$	125,997	$	84,334	$	128,053	$	81,886
Denominator:
Weighted average common shares outstanding		67,405		66,337		67,188		66,167
Basic earnings per share - Sotheby's common shareholders	$	1.87	$	1.27	$	1.91	$	1.24
Diluted:
Numerator:
Net income attributable to Sotheby's	$	127,234	$	86,239	$	129,655	$	84,062
Less: Net income attributable to participating securities		1,201		1,886		1,556		2,152
Net income attributable to Sotheby's common shareholders	$	126,033	$	84,353	$	128,099	$	81,910
Denominator:
Weighted average common shares outstanding		67,405		66,337		67,188		66,167
Weighted average dilutive potential common shares outstanding		2,086		704		2,064		805
Denominator for calculation of diluted earnings per share		69,491		67,041		69,252		66,972
Diluted earnings per share - Sotheby's common shareholders	$	1.81	$	1.26	$	1.85	$	1.22