Segment Information Revenues and Operating Net Assets by Geographical Areas (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014		Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Operating Net Assets	$ 1,017,550	$ 1,318,470		$ 1,007,480
Continuing Operations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	863,980	887,300		799,700
Operating Net Assets	1,017,550	1,105,110	[1]	766,790	[1]
Continuing Operations [Member] | Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	70,760	75,350		74,760
Operating Net Assets	61,050	74,350	[1]	110,570	[1]
Continuing Operations [Member] | Australia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	1,480	1,810		2,260
Operating Net Assets	250	1,790	[1]	1,960	[1]
Continuing Operations [Member] | Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	28,800	22,850		14,620
Operating Net Assets	79,400	80,840	[1]	41,340	[1]
Continuing Operations [Member] | Other Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	17,000	23,370		28,910
Operating Net Assets	12,130	20,300	[1]	43,960	[1]
Continuing Operations [Member] | Reportable Geographical Components [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	118,040	123,380		120,550
Operating Net Assets	152,830	177,280	[1]	197,830	[1]
Continuing Operations [Member] | United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net Sales	745,940	763,920		679,150
Operating Net Assets	$ 864,720	$ 927,830	[1]	$ 568,960	[1]

[1] Excludes discontinued operations. See Note 6, "Discontinued Operations".