Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 27, 2014	Dec. 28, 2013
Current assets:
Cash and cash equivalents	$ 44,684	$ 51,251
Accounts receivable, net of allowances of $4,777 at September 27, 2014 and $7,210 at December 28, 2013	52,139	57,856
Unbilled services	28,559	24,275
Prepaid expenses and other current assets	14,096	11,775
Deferred income taxes	17,559	17,806
Total current assets	157,037	162,963
Property and equipment, net	15,180	15,655
Goodwill	83,125	81,573
Intangible assets, net of accumulated amortization of $9,406 at September 27, 2014 and $8,392 at December 28, 2013	4,886	4,537
Deferred income taxes, net of current portion	147	955
Other assets	47,257	54,621
Total assets	307,632	320,304
Current liabilities:
Accounts payable	11,793	13,766
Accrued expenses	56,545	65,657
Deferred revenue and other liabilities	4,823	6,098
Deferred income taxes	82
Current portion of deferred rent	1,997	2,322
Current portion of deferred compensation	167	117
Total current liabilities	75,407	87,960
Notes payable	981	1,007
Deferred rent and facility-related non-current liabilities	2,246	3,669
Deferred compensation and other non-current liabilities	2,647	1,446
Deferred income taxes, net of current portion	1,840	1,585
Commitments and contingencies
Shareholders' equity:
Preferred stock, no par value; 1,000,000 shares authorized; none issued and outstanding
Common stock, no par value; 25,000,000 shares authorized; 9,580,508 shares and 10,048,611 shares issued and outstanding at September 27, 2014 and December 28, 2013, respectively	84,694	93,242
Retained earnings	143,802	133,980
Accumulated other comprehensive loss	(4,671)	(3,424)
Total CRA International, Inc. shareholders' equity	223,825	223,798
Noncontrolling interest	686	839
Total shareholders' equity	224,511	224,637
Total liabilities and shareholders' equity	$ 307,632	$ 320,304