Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 28, 2014

The roll-forward of activity related to our goodwill was as follows (in thousands):

The gross amount of our other intangible assets and the related accumulated amortization were as follows (in thousands):



	September 28, 2014			December 31, 2013
Patents, trademarks and other	$	25,786		$	24,327
Accumulated amortization	(12,354		)	(9,296		)
Net patents, trademarks and other	13,432			15,031
Customer relationships	22,809			21,650
Accumulated amortization	(5,428		)	(3,547		)
Net customer relationships	17,381			18,103
Developed technology	35,562			18,161
Accumulated amortization	(7,004		)	(4,098		)
Net developed technology	28,558			14,063
Note issuance costs	2,445			2,445
Accumulated amortization	(2,445		)	(2,445		)
Net note issuance costs	—			—
Total intangible assets included in other long-term assets	$	59,371		$	47,197

Amortization expense was as follows (in thousands):



	Thirty-Nine Weeks Ended
	September 28, 2014		September 29, 2013
Patents, trademarks and other	$	3,850	$	2,527
Customer relationships	1,882		1,728
Developed technology	2,906		1,718
Note issuance costs	—		146
Total amortization expense	$	8,638	$	6,119

Expected amortization, without consideration for foreign currency effects, is as follows over the next five years and thereafter (in thousands):



	Patents, Trademarks and Other		Customer Relationships		Developed Technology		Total
Remainder of 2014	$	826	$	688	$	1,004	$	2,518
2015	3,643		2,749		4,016		10,408
2016	2,702		2,749		4,016		9,467
2017	2,262		2,401		3,756		8,419
2018	1,661		2,321		3,387		7,369
Thereafter	2,338		6,473		12,379		21,190
Total future amortization expense	$	13,432	$	17,381	$	28,558	$	59,371