Balance Sheet Details - (Tables)

3 Months Ended

Mar. 31, 2016

Balance Sheet Detail [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories are comprised of the following:

	March 31, 2016		December 31, 2015
Materials	$	39,345	$	39,022
Work-in-process	23,161		18,918
Finished goods	11,637		13,550
Total inventories	$	74,143	$	71,490

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

Prepaid expenses and other current assets

Prepaid expenses and other current assets are comprised of the following:

	March 31, 2016		December 31, 2015
Patent litigation judgment	$	14,632	$	—
Other	6,887		8,137
Total prepaid expenses and other current assets	$	21,519	$	8,137

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment, net is comprised of the following:

	March 31, 2016		December 31, 2015
Land and building	$	2,584	$	5,024
Machinery and equipment	23,952		21,683
Furniture and fixtures	2,671		3,414
Computer equipment	5,595		5,304
Leasehold improvements	8,089		7,884
	42,891		43,309
Less: Accumulated depreciation	28,941		30,963
Total property, plant and equipment, net	$	13,950	$	12,346

Schedule of Other Assets [Table Text Block]

Other assets is comprised of the following:

	March 31, 2016		December 31, 2015
Deferred income taxes	$	35,047	$	34,973
Other	569		559
Total other assets	$	35,616	$	35,532

Other Current liabilities [Table Text Block]

Other current liabilities is comprised of the following:

	March 31, 2016		December 31, 2015
Litigation accrual	$	3,252	$	3,252
Contingent consideration - acquisitions	717		1,407
Other	6,658		7,756
Total other current liabilities	$	10,627	$	12,415

Other Non-current liabilities [Table Text Block]

Other non-current liabilities is comprised of the following:

	March 31, 2016		December 31, 2015
Unrecognized tax benefits (including interest)	$	2,963	$	3,152
Contingent consideration - acquisitions	3,103		2,296
Deferred revenue	1,128		1,206
Other	3,075		2,900
Total other non-current liabilities	$	10,269	$	9,554