Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 9,767	$ 16,932
Accounts receivable, net of allowances of $2,026 and $1,942	216,002	205,494
Prepaid expenses and other current assets	14,170	12,768
Prepaid income taxes	4,102	5,126
Total current assets	244,041	240,320
Property and equipment, net of accumulated depreciation of $86,919 and $84,941	17,951	18,728
Deferred income taxes	3,523	3,228
Goodwill	45,737	45,794
Other intangible assets, net	19,168	20,427
Other non-current assets	10,658	10,600
Total assets	341,078	339,097
Current liabilities:
Credit facility	16,867	18,831
Accounts payable	34,024	30,262
Accrued compensation and related expenses	41,762	34,464
Other accrued expenses and other current liabilities	15,043	19,903
Income taxes payable	583	323
Total current liabilities	108,279	103,783
Deferred compensation	7,871	7,723
Deferred income tax	2,494	1,530
Other non-current liabilities	4,535	4,818
Total liabilities	$ 123,179	$ 117,854
Commitments and contingencies
Equity:
Preferred stock, $0.10 par value - authorized 1,000 shares; none issued	$ 0	$ 0
Common stock	2,219	2,216
Additional paid-in-capital	75,386	74,774
Retained earnings	206,058	210,875
Accumulated other comprehensive (loss) income	(11,615)	(14,135)
Common stock in treasury, at cost - 2,754 and 2,463 shares	(54,149)	(52,487)
Total CDI shareholders' equity	217,899	221,243
Total equity	217,899	221,243
Total liabilities and equity	341,078	339,097
Common Class B [Member]
Equity:
Common stock	$ 0	$ 0