Income Taxes (Narrative) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) item	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Operating Loss Carryforwards [Line Items]
Change in valuation allowance	$ (130)	$ (762)
Non-U.S. subsidiaries' undistributed earnings	739,000
Taxes on undistributed foreign earnings	225,000
Interest and penalties related to income tax matters	400	200
Foreign income tax benefit	(22,631)	(11,874)	$ (8,314)
Foreign [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	$ 690,000
Number of subsidiaries | item	11
Malaysia [Member]
Operating Loss Carryforwards [Line Items]
Foreign income tax benefit	$ (3,300)	$ 3,400
Expiring 2032 To 2034 [Member] | Federal [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	1,800
Expiring 2021 To 2035 [Member] | Federal [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	600
Expiring 2019 To 2024 [Member] | Foreign [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	676,000
Carried Forward Indefinitely [Member] | Foreign [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	$ 14,000