Note 1 - General (Tables)

6 Months Ended

Jun. 30, 2011

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Cash	$	24,000
Estimated fair value of earnout payments to CRTS shareholders		13,900
Total consideration recorded	$	37,900

Business Acquisition, Pro Forma Information [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2011		2010		2011		2010
Revenues	$	226,050	$	233,529	$	437,702	$	436,048
Net income(1)		6,676		16,169		8,728		25,021
Diluted earnings per share		0.16		0.41		0.22		0.64
Diluted shares		39,732,077		39,414,003		39,717,919		39,397,342

Schedule of Purchase Price Allocation [Table Text Block]

Cash	$	361
Receivables and cost and estimated earnings in excess of billings		2,365
Inventories		21
Prepaid expenses and other current assets		175
Property, plant and equipment		1,317
Identified intangible assets		29,325
Accounts payable, accrued expenses and billings in excess of cost and estimated earnings		(2,530	)
Deferred tax liabilities		(11,151	)
Total identifiable net assets	$	19,883
Total consideration recorded	$	37,900
Less: total identifiable net assets		19,883
Goodwill at acquisition date	$	18,017