Note 2 - Business Acquisitions, Goodwill and Other Purchased Intangible Assets (Tables)

3 Months Ended

Mar. 25, 2017

Notes Tables

Schedule of Goodwill [Table Text Block]

	Goodwill
Balance, December 26, 2015	$	60,264
Impact of currency exchange		(1,415	)
Balance, December 31, 2016		58,849
Additions		3,083
Impact of currency exchange		1,116
Balance, March 25, 2017	$	63,048

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

	March 25, 2017						December 31, 2016
	Gross Carrying		Accumulated		Remaining Useful		Gross Carrying		Accumulated
	Amount		Amortization		Life ( years)		Amount		Amortization
Ismeca technology	$	26,895	$	14,428		3.8	$	26,191	$	13,241
Trade names		5,498		573		13.5		5,353		468
	$	32,393	$	15,001			$	31,544	$	13,709

Kita Manufacturing Co. LTD. and Kita USA, Inc. [Member]

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Cash paid to Kita shareholders	$	15,000
Fair value of contingent consideration		2,251
Total purchase price	$	17,251

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

Current assets, including cash received	$	10,148
Fixed assets		12,751
Other assets		2,290
Intangible assets subject to amortization		4,650
Goodwill		3,083
Total assets acquired		32,922
Liabilities assumed		(15,671	)
Net assets acquired	$	17,251