Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2013
Income Statement [Abstract]
Revenue	$ 985,494	$ 1,122,972		$ 1,087,859
Cost of services	800,593	916,415		881,218
Gross profit	184,901	206,557		206,641
Operating and administrative expenses	187,433	182,873		180,009
Restructuring and other related costs	4,217	3,645		5,716
Impairment	21,537	14,653		0
Loss on disposition	310	0		0
Operating profit (loss)	(28,596)	5,386	[1],[2]	20,916	[1],[2]
Other income (expense), net	61	(228)		(268)
Income (loss) before income taxes	(28,535)	5,158		20,648
Income tax expense (benefit)	8,551	2,141		7,700
Net income (loss)	(37,086)	3,017		12,948
Less: Income (loss) attributable to the noncontrolling interest	(83)	(65)		64
Net income (loss) attributable to CDI	$ (37,003)	$ 3,082		$ 12,884
Basic (in dollars per share)	$ (1.88)	$ 0.16		$ 0.66
Diluted (in dollars per share)	$ (1.88)	$ 0.16		$ 0.65

[1] In 2015, 2014 and 2013, the Company recorded pre-tax charges of $4.2 million, $3.6 million and $5.7 million, respectively, to "Restructuring and other related costs" related to the 2015, 2014 and 2013 Restructuring Plans. The following table summarizes the amount of restructuring and other related costs recognized by reporting segment for the indicated periods: Year ended December 31, 2015 2014 2013 GETS $2,185 $2,244 $2,412PSS 1,182 1,001 2,269MRI — 259 313Corporate 850 141 722Restructuring and other related costs $4,217 $3,645 $5,716

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