Details of Selected Balance Sheet Accounts (Tables)

9 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Inventories

Inventories

The following table is a summary of inventories (in thousands):	September 30, 2015			December 31, 2014
Raw materials and subassemblies	$	36,530		$	41,461
Work-in-process	6,467			18,221
Finished goods	16,213			21,284
Reserve for excess and obsolete inventories	(24,527		)	(29,804		)
Total	$	34,683		$	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):	September 30, 2015		December 31, 2014
Accrual for loss contingency related to legal proceedings (Footnote 7)	$	22,000	$	123,770
Deferred rents	13,397		13,416
Facility restructuring accrual	3,298		3,353
Other long-term liabilities	1,135		3,265
Total	$	39,830	$	143,804