Note E - Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

	2014		2013
Balance as of January 1	$	418,839	$	410,583
Goodwill resulting from the GHK business combination		—		(101	)
Goodwill resulting from the ECA business combination		141		8,357
Goodwill resulting from the Mostra business combination		24,118		—
Goodwill resulting from the CityTech business combination		19,563		—
Goodwill resulting from the Olson business combination		225,117		—
Balance as of December 31	$	687,778	$	418,839

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	2014
	Gross					Net
	Carrying		Accumulated			Carrying
	Value		Amortization			Value
Customer-related	$	118,957	$	(46,703	)	$	72,254
Developed technology		1,538		(494	)		1,044
Marketing-related		4,262		(853	)		3,409
Total intangible assets	$	124,757	$	(48,050	)	$	76,707

	2013
	Gross					Net
	Carrying		Accumulated			Carrying
	Value		Amortization			Value
Customer-related	$	58,829	$	(47,301	)	$	11,528
Developed technology		960		(249	)		711
Total intangible assets	$	59,789	$	(47,550	)	$	12,239

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Year ending December 31,
2015	$	17,180
2016		12,929
2017		11,298
2018		8,480
2019		6,162
Thereafter		20,658
	$	76,707