Balance Sheet Details (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Jan. 31, 2013 ft²	Nov. 04, 2011 ft²
Property, plant and equipment, net
Property, plant and equipment, gross	$ 124,271	$ 124,271	$ 122,116
Less accumulated depreciation and amortization	(67,655)	(67,655)	(58,093)
Property, plant and equipment, net	56,616	56,616	64,023
Restructuring costs	3,600	3,576	39	$ 5,546
Construction in progress, capitalized	40,320	40,320	40,320
Depreciation expense		12,379	13,625	15,451
Building
Property, plant and equipment, net
Property, plant and equipment, gross	40,320	40,320	40,320
Computer software
Property, plant and equipment, net
Property, plant and equipment, gross	20,012	20,012	21,412
Computer equipment
Property, plant and equipment, net
Property, plant and equipment, gross	31,224	31,224	27,744
Furniture and fixtures
Property, plant and equipment, net
Property, plant and equipment, gross	13,943	13,943	13,464
Leasehold improvements
Property, plant and equipment, net
Property, plant and equipment, gross	7,098	7,098	7,052
Machinery
Property, plant and equipment, net
Property, plant and equipment, gross	11,037	11,037	11,699
Construction in progress
Property, plant and equipment, net
Property, plant and equipment, gross	$ 637	$ 637	$ 425
LDT | Building Improvements
Property, plant and equipment, net
Tangible asset impairment charges				3,500
LDT | Computer software
Property, plant and equipment, net
Tangible asset impairment charges				200
LDT | Machinery
Property, plant and equipment, net
Tangible asset impairment charges				500
Facility Closing [Member]
Property, plant and equipment, net
Restructuring costs				$ 2,000
MTSPELLC Amended [Member]
Property, plant and equipment, net
Total space under lease (in square feet) | ft²					31,000	31,000