Note 6 - Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Goodwill [Table Text Block]

(in thousands )	2016		Additions (Reductions) (a)			Adjustments (c)			2015		Additions (Reductions) (b)			Adjustments (c)			2014
Electronics	$	215,765	$	162,172		$	(4,653	)	$	58,246	$	(524	)	$	(1,740	)	$	60,510
Automotive		144,585		70,762			(6,439	)		80,262		1,994			(3,449	)		81,717
Industrial		43,194		(8,794	)		729			51,259		—			(2,770	)		54,029
Total	$	403,544	$	224,140		$	(10,363	)	$	189,767	$	1,470		$	(7,959	)	$	196,256

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

	2016						2015
(in thousands )	Weighted Average Useful Life		Gross Carrying Value		Accumulated Amortization		Weighted Average Useful Life		Gross Carrying Value		Accumulated Amortization
Patents, licenses and software		11.4	$	131,611	$	48,004		11.6	$	61,297	$	41,076
Distribution network		12.1		49,150		30,155		12.4		45,564		29,074
Customer relationships, trademarks and tradenames		14.4		150,227		40,463		13.0		81,233		30,534
Tradenames(a)		—		4,319		3,659		—		4,213		—
Total		12.9	$	335,307	$	122,281		12.4	$	192,307	$	100,684

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

(in thousands )	Estimated Amortization
2017	$	23,945
2018		23,497
2019		23,786
2020		23,242
2021		21,816
2022 and thereafter		96,740
	$	213,026