Note 5 - Supplemental Balance Sheet Information (Detail) - The composition of selected balance sheet accounts is as follows: (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Contract receivables, net:
Retainages and fee withholdings	$ 600		$ 500
Other unbilled receivables	1,500		200
Contract receivables, net	48,112		66,466
Prepaid expenses and other current assets:
Prepaid expenses and other current assets	2,538		2,566
Property and equipment, net:
Property and equipment, net	12,511		15,265
Other	4,388		4,312
Other noncurrent assets	209,399		250,620
Accrued compensation and related taxes	14,933		24,902
Deferred gain on sale of building	(935)		(1,236)
Net working capital payment accrual	29,320		25,500
Other	5,307		8,556
Other long-term liabilities:
Accrued pension liability	26,057		21,576
Other long-term liabilities	34,941		33,066
Accounts Receivable [Member]
Contract receivables, net:
Billed receivables	14,785		25,821
Revenues recorded in excess of milestone billings on fixed-price contracts with state and local government agencies	6,828	[1]	7,058	[1]
Retainages and fee withholdings	587	[1]	518	[1]
Other unbilled receivables	27,114	[1]	33,935	[1]
Total unbilled receivables	34,529	[1]	41,511	[1]
Allowance for doubtful accounts	(1,202)	[1]	(866)	[1]
Contract receivables, net	48,112	[1]	66,466	[1]
Prepaid Expenses And Other Current Assets [Member]
Prepaid expenses and other current assets:
Restricted cash	255		240
Other	2,283		2,326
Prepaid expenses and other current assets	2,538		2,566
Property, Plant, And Equipment [Member]
Property and equipment, net:
Leasehold improvements	11,218		10,861
Software	10,224		11,334
Furniture and other equipment	9,841		10,185
Property and equipment	31,283		32,380
Less accumulated depreciation	(18,772)		(17,115)
Property and equipment, net	12,511		15,265
Other NonCurrent Assets [Member]
Property and equipment, net:
Deferred compensation plan investments	1,459		1,395
Equity investment	910		1,038
Other	2,019		1,879
Other noncurrent assets	4,388		4,312
Accrued Compensation And Employee Benefits [Member]
Property and equipment, net:
Accrued compensation and related taxes	5,881		11,601
Accrued vacation	4,799		6,036
Accrued pension liability	2,800		5,480
Other	1,453		1,785
Accrued compensation and employee benefits	14,933		24,902
Other Accrued Expenses [Member]
Property and equipment, net:
Deferred rent liability	1,265		554
Deferred gain on sale of building	676		676
Accrued interest	114		1,525
Net working capital payment accrual			2,388
Other	3,252		3,413
Other accrued expenses	5,307		8,556
Other Long-Term Liabilities [Member]
Other long-term liabilities:
Accrued pension liability	26,057		21,576
Deferred rent liability	5,389		6,610
Deferred compensation plan liability	1,459		1,395
Deferred gain on sale of building	1,352		2,028
Other	684		1,457
Other long-term liabilities	$ 34,941		$ 33,066

[1] At December 31, 2012 and 2011, unbilled retainages and fee withholdings of $0.6 million and $0.5 million were not anticipated to be billed within one year. Additionally, at December 31, 2012 and 2011, $1.5 million and $0.2 million, respectively of the other unbilled receivable balances are not scheduled to be invoiced within one year.