Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 26,433	$ 36,324
Accounts receivable, net of allowances of $1,986 and $1,950	226,519	219,578
Prepaid expenses and other current assets	12,822	8,302
Prepaid income taxes	2,980	753
Deferred income taxes	2,170	4,138
Total current assets	270,924	269,095
Property and equipment, net of accumulated depreciation of $84,591 and $86,813	18,857	20,350
Deferred income taxes	10,214	9,203
Goodwill	29,410	50,630
Other intangible assets, net	11,509	12,424
Other non-current assets	8,850	10,518
Total assets	349,764	372,220
Current liabilities:
Short-term borrowings	3,017	1,250
Accounts payable	25,122	30,071
Accrued compensation and related expenses	51,804	36,005
Other accrued expenses and other current liabilities	14,805	14,502
Income taxes payable	373	1,015
Total current liabilities	95,121	82,843
Deferred compensation	7,324	9,094
Deferred income tax	960	1,034
Other non-current liabilities	4,379	4,896
Total liabilities	$ 107,784	$ 97,867
Commitments and contingencies
Equity:
Preferred stock, $0.10 par value - authorized 1,000 shares; none issued	$ 0	$ 0
Common stock	2,216	2,208
Additional paid-in-capital	74,049	72,023
Retained earnings	230,549	258,113
Accumulated other comprehensive (loss) income	(12,347)	(6,207)
Common stock in treasury, at cost - 2,463 shares	(52,487)	(52,487)
Total CDI shareholders' equity	241,980	273,650
Noncontrolling interest	0	703
Total equity	241,980	274,353
Total liabilities and equity	349,764	372,220
Common Class B [Member]
Equity:
Common stock	$ 0	$ 0