Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenue	$ 280,627	$ 256,636
Cost of services	224,942	202,306
Gross profit	55,685	54,330
Operating and administrative expenses	48,296	51,577
Operating profit	7,389	2,753
Other income (expense), net	(38)	(43)
Income before income taxes	7,351	2,710
Income tax expense	3,437	1,970
Net income	3,914	740
Less: Income attributable to the noncontrolling interest	91	46
Net income attributable to CDI	$ 3,823	$ 694
Basic net earnings attributable to CDI per share	$ 0.20	$ 0.04
Diluted net earnings attributable to CDI per share	$ 0.20	$ 0.04