Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Summary of Significant Accounting Policies [Abstract]
Minimum ownership of entities that do not have a non-controlling interest (in hundredths)	100.00%
Royalty revenues	$ 3,323	$ 4,525	$ 6,362
Research and development expense	$ 64,193	65,299	62,090
Minimum number of months until maturity from original purchase date for a highly liquid investment to be considered a short-term investment (in months)	3 months
Bad debt expense	$ (152)	(424)	62
Property, Plant and Equipment [Line Items]
Estimated cost to complete construction in progress	45,975
Depreciation expense	154,340	160,804	$ 155,064
Finite-Lived Intangible Assets [Line Items]
Cash and investments restricted for potential insurance claims	11,627	7,309
Outstanding claim accrual	5,000	0
Prior Period Adjustments [Line Items]
Deferred Finance Costs	$ 12,659	10,867
Scenario, Previously Reported [Member]
Prior Period Adjustments [Line Items]
Current deferred income tax assets		17,815
Deferred Finance Costs		10,867
Current deferred income tax liabilities		$ 9,790
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	7 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	10 years
Building and Building Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	20 years
Building and Building Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Useful Life	40 years
Patents and Acquired Technology [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life	7 years
Patents and Acquired Technology [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life	25 years
Capitalized Software [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life	3 years
Capitalized Software [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life	10 years
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life	5 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life	20 years
Non-competition Agreements [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life	3 years
Non-competition Agreements [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Useful Life	10 years