Disposed and Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2011

Disposed and Discontinued Operations [Abstract]

Results of discontinued operations

	Years Ended December 31,
	2011			2010			2009
Revenue	$	551,761		$	508,767		$	490,813
Loss on sale (including impairments), net of taxes	$	(4,743	)	$	(14,203	)	$	(11,170	)
Earnings (loss) from operations before taxes		47,773			21,962			(4,853	)
Benefit (provision) for income taxes		5,848			1,594			(962	)
Earnings (loss) from discontinued operations, net of tax	$	48,878		$	9,353		$	(16,985	)

Assets and liabilities of discontinued operations

	December 31, 2011		December 31, 2010
Assets of Discontinued Operations
Current assets	$	2,832	$	191,408
Non-current assets		1,609		435,685
	$	4,441	$	627,093
Liabilities of Discontinued Operations
Current liabilities	$	31,592	$	91,933
Non-current liabilities		88,325		137,594
	$	119,917	$	229,527