Basic and Diluted Earnings Per Share (“EPS”) Data (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share, Basic and Diluted [Abstract]

Schedule of Calculation of Numerator and Denominator in EPS

The following table reconciles the denominator used to compute basic EPS to the denominator used to compute diluted EPS for the indicated periods:

	Three months ended				Nine months ended
	September 30,				September 30,
	2014		2013		2014		2013
Numerator:
Net income attributable to CDI	$	5,400	$	4,528	$	11,864	$	10,457
Denominator:
Basic weighted-average shares	19,614		19,464		19,562		19,426
Dilutive effect of share-based awards	185		248		203		300
Diluted weighted-average shares	19,799		19,712		19,765		19,726
Earnings per common share:
Basic	$	0.28	$	0.23	$	0.61	$	0.54
Diluted	$	0.27	$	0.23	$	0.60	$	0.53