Balance Sheet Details - (Tables)

6 Months Ended

Jun. 30, 2013

Balance Sheet Detail [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories

Inventories are comprised of the following:

	June 30, 2013		December 31, 2012
Materials	$	37,218	$	31,629
Work-in-process	19,868		15,889
Finished goods	14,970		15,904
Total inventories	$	72,056	$	63,422

Property, Plant and Equipment [Table Text Block]

Property, Plant and Equipment

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

	June 30, 2013			December 31, 2012
Land and building	$	4,997		$	4,997
Machinery and equipment	19,112			18,826
Furniture and fixtures	3,829			3,381
Computer equipment	8,093			7,789
Leasehold improvements	8,125			6,807
	44,156			41,800
Accumulated depreciation	(31,672		)	(29,891		)
Total property, plant and equipment, net	$	12,484		$	11,909

Schedule of Other Assets [Table Text Block]

Other assets

Other assets is comprised of the following:

	June 30, 2013		December 31, 2012
Deferred income taxes	$	32,881	$	32,800
Capitalized software	20		201
Other	1,909		1,893
Total other assets	$	34,810	$	34,894

Other Current liabilities [Table Text Block]

Other current liabilities

Other current liabilities is comprised of the following:

	June 30, 2013		December 31, 2012
Litigation accrual	$	4,293	$	4,293
Deferred revenue	9,011		11,170
Other	5,321		5,889
Total other current liabilities	$	18,625	$	21,352

Other Non-current liabilities [Table Text Block]

Other non-current liabilities

Other non-current liabilities is comprised of the following:

	June 30, 2013		December 31, 2012
Unrecognized tax benefits (including interest)	$	6,274	$	5,871
Contingent consideration - acquisitions	5,773		—
Other	1,905		2,166
Total other non-current liabilities	$	13,952	$	8,037