Other Income (Expense), Net - Summary of Other Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other Income and Expenses [Abstract]
Reductions of loss contingency related to legal proceedings (Footnote 7)	$ 0	$ 0	$ 101,978	$ 69,557
Facility restructuring charges (Footnote 2)	296	0	(2,791)	0
Gain on sale of product line	0	0	0	6,522
Other expense, net	(642)	(622)	(1,152)	(2,109)
Total other income, net	$ (346)	$ (622)	$ 98,035	$ 73,970