Segment and geographical information (Tables)

12 Months Ended

Dec. 26, 2014

Segment Reporting [Abstract]

Segment net sales and operating loss

Information on reportable segments and reconciliation to consolidated loss before income taxes was as follows (in thousands):

	Years Ended
	December 26, 2014			December 27, 2013
Net sales:
Network	$	152,602		$	150,570
Power	105,936			111,544
Wireless	84,996			93,562
Total net sales	$	343,534		$	355,676
Segment operating profit (loss)
Network	$	7,124		$	4,839
Power	9,029			7,607
Wireless	(6,741		)	(4,673		)
Segment operating profit	9,412			7,773
Severance, impairment and other associated costs	3,937			3,342
CEO transition costs	4,128			—
Legal entity restructuring costs	1,264			—
Legal reserve	43			147
Operating profit	40			4,284
Interest expense, net	(26,317		)	(24,492		)
Other expense, net	(1,829		)	(2,432		)
Loss before income taxes	$	(28,106	)	$	(22,640	)

Depreciation and amortization per segment was as follows (in thousands):

	Years Ended
	December 26, 2014		December 27, 2013
Depreciation and amortization:
Network	$	2,219	$	2,102
Power	1,243		1,286
Wireless	3,772		4,005
Total	$	7,234	$	7,393

Sales by geographic areas

The following table summarizes our net customer sales in the geographic areas or regions where our sales are significant (in thousands):

	Years Ended
	December 26, 2014		December 27, 2013
Sales to customers in:
China	$	184,166	$	182,033
United States	43,913		46,528
Asia, other than China	38,224		52,683
Europe	70,368		66,520
Other	6,863		7,912
Total	$	343,534	$	355,676

Property, plant and equipment by geographic area

The following table summarizes our net property, plant and equipment in the geographic areas or regions where our assets are significant (in thousands):

	December 26, 2014		December 27, 2013
Net property, plant and equipment located in:
China	$	12,514	$	14,723
United States	11,482		11,614
Tunisia	1,652		—
Korea	—		1,045
Europe	803		538
Other	21		35
Total	$	26,472	$	27,955