Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	$ 661,910		$ 642,256		$ 646,235
Less accumulated depreciation and amortization	477,565		449,562
Property, plant and equipment, net	184,345		192,694
Depreciation	51,447		50,549		51,425
Asset Impairment Charges	15,783		2,962		175,849
Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	7,652		7,855
Buildings and building equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	67,533		66,261
Machinery, tools, and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	118,663		119,780
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	27,026	[1]	24,243	[1]
Computer equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	83,822		78,543
Computer software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	178,590		170,614
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	79,346		76,962
Tooling [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	82,539		80,979
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment at cost	16,739		17,019
Building and Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	15
Maximum [Member] | Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	15
Maximum [Member] | Machinery, tools, and equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	12
Maximum [Member] | Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	10
Maximum [Member] | Computer equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	5
Maximum [Member] | Computer software [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	10
Maximum [Member] | Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	8
Maximum [Member] | Tooling [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	5
Minimum [Member] | Land and land improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	0
Minimum [Member] | Machinery, tools, and equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	5
Minimum [Member] | Computer equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	3
Minimum [Member] | Computer software [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	5
Minimum [Member] | Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	5
Minimum [Member] | Tooling [Member]
Property, Plant and Equipment [Line Items]
Estimated Useful Life, Minimum (years)	3
Global Enterprise Resource Planning System [Member]
Property, Plant and Equipment [Line Items]
Asset Impairment Charges	6,701
Corporate Headquarters Project [Member]
Property, Plant and Equipment [Line Items]
Asset Impairment Charges	$ 1,134

[1] The estimated useful life for leasehold improvements is the lesser of 10 years or the term of the lease.