Note 8 - Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Goodwill [Table Text Block]

	Domestic		International			Total
Balance at December 31, 2014	$	582,686	$	52,879		$	635,565
Acquisitions of businesses, net		38,765		-			38,765
Impairment		-		(4,611	)		(4,611	)
Balance at December 31, 2015		621,451		48,268			669,719
Acquisitions of businesses, net		-		46,202			46,202
Foreign currency translation		-		(11,281	)		(11,281	)
Balance at December 31, 2016	$	621,451	$	83,189		$	704,640

	Year Ended December 31, 2016							Year Ended December 31, 2015
	Gross		Accumulated Impairment			Net		Gross		Accumulated Impairment			Net
Domestic	$	1,124,644	$	(503,193	)	$	621,451	$	1,124,644	$	(503,193	)	$	621,451
International		87,800		(4,611	)		83,189		52,879		(4,611	)		48,268
Total	$	1,212,444	$	(507,804	)	$	704,640	$	1,177,523	$	(507,804	)	$	669,719

Schedule Of Intangible Assets [Table Text Block]

	Weighted Average		December 31, 2016							December 31, 2015
	Amortization Years		Gross		Accumulated Amortization			Net Book Value		Gross		Accumulated Amortization			Net Book Value
Finite-lived intangible assets:
Tradenames		8	$	50,742	$	(20,189	)	$	30,553	$	43,252	$	(10,516	)	$	32,736
Customer lists		9		333,935		(288,623	)		45,312		314,600		(275,287	)		39,313
Patents		14		130,099		(82,038	)		48,061		126,491		(72,719	)		53,772
Unpatented technology		15		13,169		(11,771	)		1,398		13,169		(11,628	)		1,541
Software		-		1,046		(1,046	)		-		1,046		(1,042	)		4
Non-compete/other		7		2,513		(986	)		1,527		1,731		(508	)		1,223
Total finite-lived intangible assets			$	531,504	$	(404,653	)	$	126,851	$	500,289	$	(371,700	)	$	128,589
Indefinite-lived tradenames				128,321		-			128,321		128,321		-			128,321
Total intangible assets			$	659,825	$	(404,653	)	$	255,172	$	628,610	$	(371,700	)	$	256,910