Note 3 - Acquisitions (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

(in thousands)	Purcha se Price Allocation
Total purchase consideration:
Cash	$	104,000
Allocation of consideration to assets acquired and liabilities assumed:
Current assets, net	$	4,816
Customer relationships		31,800
Patented and unpatented technologies		8,800
Non-compete agreement		2,500
Goodwill		56,084
	$	104,000

(in thousands)	Purchase Price Allocation
Total purchase consideration:
Cash, net of acquired cash	$	19,162
Preliminary allocation of consideration to assets acquired and liabilities assumed:
Current assets, net	$	12,919
Property, plant, and equipment		1,693
Customer relationships		3,050
Patented and unpatented technologies		224
Trademarks and tradenames		1,849
Goodwill		8,091
Current liabilities		(7,220	)
Other non-current liabilities		(1,444	)
	$	19,162

(in thousands)	Purchase Price Allocation
Total purchase consideration:
Original consideration	$	350,000
Post closing consideration adjustment received		(1,708	)
Acquired cash		(3,810	)
Acquired cash to be returned to seller		3,810
Total purchase consideration	$	348,292
Allocation of consideration to assets acquired and liabilities assumed:
Current assets, net	$	60,228
Property, plant, and equipment		51,613
Land lease		4,290
Patented and unpatented technologies		56,425
Customer relationships		39,720
Goodwill		165,088
Other long-term assets		11,228
Current liabilities		(35,280	)
Other non-current liabilities		(5,020	)
	$	348,292

(in thousands)	Purchase Price Allocation
Total purchase consideration:
Cash, net of acquired cash	$	5,558
Estimated additional consideration payable		901
Total purchase consideration	$	6,459
Allocation of consideration to assets acquired and liabilities assumed:
Current assets, net	$	2,519
Property, plant, and equipment		1,097
Goodwill		4,084
Patents		2,845
Current liabilities		(1,518	)
Other non-current liabilities		(2,568	)
	$	6,459

Business Acquisition, Pro Forma Information [Table Text Block]

	For the Year Ended
(in thousands, except per share amounts)	2016		2015
Net sales	$	1,130,645	$	1,104,838
Income before income taxes		143,110		120,370
Net income		124,388		92,983
Net income per share — basic		5.51		4.12
Net income per share — diluted		5.47		4.09