Goodwill and Other Intangible Assets (Changes in Intangible Assets) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2010	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Ending Gross Amount		$ 280,546		$ 201,593
Finite-lived intangible assets, Accumulated Amortization		(145,426)		(133,745)
Indefinite-lived intangible assets, Ending Gross Amount	[1]	95,220		79,982
Indefinite-lived intangible assets, Accumulated Amortization	[1]	$ (1,563)		(1,493)
Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)		4 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)		40 years
Engineering drawings
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Ending Gross Amount	[2]	$ 92,694		90,843
Finite-lived intangible assets, Accumulated Amortization	[2]	$ (66,345)		(62,947)
Engineering drawings | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	[2]	10 years
Engineering drawings | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	[2]	22 years
Existing customer relationships
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)			5 years
Finite-lived intangible assets, Ending Gross Amount	[3]	$ 80,270		38,003
Finite-lived intangible assets, Accumulated Amortization	[3]	$ (25,747)		(19,285)
Existing customer relationships | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	[3]	5 years
Existing customer relationships | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)	[3]	10 years
Patents
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Ending Gross Amount		$ 27,277		29,396
Finite-lived intangible assets, Accumulated Amortization		$ (25,242)		(26,087)
Patents | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)		9 years
Patents | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)		16 years
Other
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, Ending Gross Amount		$ 80,305		43,351
Finite-lived intangible assets, Accumulated Amortization		$ (28,092)		$ (25,426)
Other | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)		4 years
Other | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful Life (Years)		40 years

[1] Accumulated amortization for indefinite-lived intangible assets relates to amounts recorded prior to the implementation date of guidance issued in ASC 350.

[2] Engineering drawings represent the estimated fair value associated with specific acquired product and component schematics.

[3] Existing customer relationships acquired prior to 2011 had a useful life of five years.