Details of Selected Balance Sheet Accounts (Tables)

9 Months Ended

Sep. 30, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of Inventories

A summary of inventories is as follows (in thousands):	September 30, 2013			December 31, 2012
Raw materials and subassemblies	$	52,177		$	49,421
Work-in-process	10,645			8,613
Finished goods	30,894			26,880
Reserve for excess and obsolete inventories	(32,312		)	(14,239		)
Total	$	61,404		$	70,675

Summary of Other Long-term Liabilities

A summary of other long-term liabilities is as follows (in thousands):	September 30, 2013		December 31, 2012
Accrual for loss contingency related to legal proceedings (Note 9)	$	191,776	$	—
Facility restructuring accrual	4,511		5,073
Other long-term liabilities	10,757		3,058
Total	$	207,044	$	8,131