Equity and Accumulated Other Comprehensive Income Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, beginning balance			$ (255)	$ 11,241
Other comprehensive income (loss) before reclassifications			4,485	(7,151)
Amounts reclassified from accumulated other comprehensive (loss) income			(11,981)	217
Total other comprehensive loss	(11,445)	(2,824)	(7,496)	(6,934)
Accumulated other comprehensive (loss) income, ending balance	(7,751)	4,307	(7,751)	4,307
Defined Benefit Pension [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, beginning balance			(1,013)	(5,373)
Other comprehensive income (loss) before reclassifications			0	0
Amounts reclassified from accumulated other comprehensive (loss) income			606	217
Total other comprehensive loss			606	217
Accumulated other comprehensive (loss) income, ending balance	(407)	(5,156)	(407)	(5,156)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, beginning balance			11,451	16,346
Other comprehensive income (loss) before reclassifications			779	(3,100)
Amounts reclassified from accumulated other comprehensive (loss) income			(12,587)	0
Total other comprehensive loss			(11,808)	(3,100)
Accumulated other comprehensive (loss) income, ending balance	(357)	13,246	(357)	13,246
Equity Interest in J-Devices' Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive (loss) income, beginning balance			(10,693)	268
Other comprehensive income (loss) before reclassifications			3,706	(4,051)
Amounts reclassified from accumulated other comprehensive (loss) income			0	0
Total other comprehensive loss			3,706	(4,051)
Accumulated other comprehensive (loss) income, ending balance	$ (6,987)	$ (3,783)	$ (6,987)	$ (3,783)