Property, Plant and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2011

Property, Plant And Equipment, Net [Abstract]

Schedule Of Property, Plant And Equipment, Net

	December 31,			December 31,
	2011			2010
Land	$	1,882		$	1,882
Buildings		28,186			27,930
Machinery and equipment		66,237			52,032
Office equipment, furniture and fixtures		6,908			5,752
Computer software and hardware		48,198			46,065
Leasehold improvements		27,203			12,137
Construction in progress		8,032			2,905
		186,646			148,703
Accumulated depreciation and amortization		(88,856	)		(76,723	)
	$	97,790		$	71,980

Schedule Of Depreciation And Amortization Expense Related To Property, Plant And Equipment

	Year Ended
	December 31,		December 31,		December 31,
	2011		2010		2009
Depreciation and amortization expense	$	13,214	$	13,384	$	12,556