Other Income and Expense (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Income and Expenses [Abstract]
Interest income	$ (920)	$ (1,605)	$ (2,462)	$ (3,108)
Foreign currency gain, net	(7,928)	(2,716)	(3,381)	(1,841)
Loss on debt retirement	0	0	757	11,619
Gain on sale of subsidiary to J-Devices (Note 4)	0	0	(9,155)	0
Other income, net	(778)	(7)	(1,048)	(344)
Total other (income) expense, net	$ (9,626)	$ (4,328)	$ (15,289)	$ 6,326