Note 2 - Acquisitions (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

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

(in thousands)	Purchase Price Allocation
Total purchase consideration:
Cash, net of cash acquired	$	302,865
Cash settled stock options		3,622
Littelfuse stock		434,192
Converted stock options		38,109
Total purchase consideration	$	778,788
Allocation of consideration to assets acquired and liabilities assumed:
Current assets, net	$	155,959
Property, plant, and equipment		77,442
Intangible assets		212,720
Goodwill		382,317
Other non-current assets		31,570
Other non-current liabilities		(81,220	)
	$	778,788

(in thousands)	Purchase Price Allocation
Total purchase consideration:
Cash	$	24,340
Allocation of consideration to assets acquired and liabilities assumed:
Current assets, net	$	4,635
Patented and unpatented technologies		1,090
Trademarks and tradenames		200
Non-compete agreement		50
Customer relationships		2,830
Goodwill		16,075
Current liabilities		(540	)
	$	24,340

(in thousands)	Purchase Price Allocation
Total purchase consideration:
Original investment	$	3,500
Cash, net of cash acquired		14,172
Non-cash, fair value of commitment to purchase non-controlling interest		9,000
Total purchase consideration	$	26,672
Allocation of consideration to assets acquired and liabilities assumed:
Current assets, net	$	891
Property, plant, and equipment		789
Patented and unpatented technologies		6,720
Non-compete agreement		140
Goodwill		20,641
Current liabilities		(639	)
Other non-current liabilities		(1,870	)
	$	26,672

Business Acquisition, Pro Forma Information [Table Text Block]

	For the Three Months Ended
(in thousands, except per share amounts)	July 1 , 2017
Net sales	$	396,897
Income before income taxes		40,312
Net income		37,442
Net income per share — basic		1.50
Net income per share — diluted		1.48

	For the Six Months Ended
(in thousands , except per share amounts )	June 30, 2018		July 1, 2017
Net sales	$	893,709	$	765,710
Income before income taxes		134,227		51,546
Net income		106,247		55,043
Net income — basic		4.26		2.21
Net income — diluted		4.22		2.18

Business Acquisition, Pro Forma Information, Nonrecurring Adjustments [Table Text Block]

	For the Three Months Ended			For the Six Months Ended
(in thousands)	July 1, 2017			June 30, 2018			July 1, 2017
Amortization (a)	$	(6,305	)	$	5,185		$	(12,601	)
Depreciation		139			—			278
Transaction costs (b)		—			9,976			(9,976	)
Amortization of inventory step-up (c)		(14,771	)		36,927			(36,927	)
Stock compensation (d)		(767	)		4,689			(5,780	)
Interest expense (e)		(2,582	)		—			(5,164	)
Income tax impact of above items		7,596			(13,329	)		22,896