Details of Selected Balance Sheet Accounts (Tables)

6 Months Ended

Jun. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Inventories

Inventories

The following table is a summary of inventories (in thousands):	June 30, 2015			December 31, 2014
Raw materials and subassemblies	$	38,195		$	41,461
Work-in-process	10,405			18,221
Finished goods	12,294			21,284
Reserve for excess and obsolete inventories	(24,947		)	(29,804		)
Total	$	35,947		$	51,162

Summary of Other Long-term Liabilities

Other Long-term Liabilities

The following table is a summary of other long-term liabilities (in thousands):	June 30, 2015		December 31, 2014
Accrual for loss contingency related to legal proceedings (Footnote 7)	$	22,000	$	123,770
Deferred rents	13,543		13,416
Facility restructuring accrual	3,633		3,353
Other long-term liabilities	3,102		3,265
Total	$	42,278	$	143,804