Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2011

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Earnings Per Share

	Three months ended September 30,					Nine months ended September 30,
	2011			2010		2011			2010
Basic:
Net income / (loss) from continuing operations, net of noncontrolling interests in subsidiaries	($	839,850	)	$	68,879	($	835,715	)	$	10,314
Income / (loss) on discontinued operations		0			31,017		0			(11,778	)
Net income / (loss)	($	839,850	)	$	99,896	($	835,715	)	($	1,464	)
Weighted average shares of common stock outstanding (used to calculate basic EPS)		72,490			70,432		72,063			69,925
Net effect of dilutive employee stock options based on the treasury stock method		26			183		55			270
Weighted average shares of common stock outstanding (used to calculate diluted EPS)		72,516			70,615		72,118			70,195
Net income / (loss) per common share - basic:
Continuing operations	($	11.59	)	$	0.98	($	11.60	)	$	0.15
Discontinued operations	$	0.00		$	0.44	$	0.00		($	0.17	)
	($	11.59	)	$	1.42	($	11.60	)	($	0.02	)
Net income / (loss) per common share - diluted:
Continuing operations	($	11.59	)	$	0.98	($	11.60	)	$	0.15
Discontinued operations	$	0.00		$	0.43	$	0.00		($	0.17	)
	($	11.59	)	$	1.41	($	11.60	)	($	0.02	)