Discontinued Operations - Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Assets of discontinued operations:
Trade and other receivables	$ 0		$ 0		$ 16,044
Inventories, net	0		0		8,294
Other current assets	0		0		811
Goodwill	0		0		6,582
Other intangible assets, net	0		0		14,230
Property, plant and equipment, net	2,500		2,500		30,457
Total assets	2,500		2,500		76,418
Liabilities of discontinued operations:
Trade payables and accrued liabilities	450		450		6,702
Other current liabilities	0		0		3,986
Accrued pension liability	0		0		1,794
Other liabilities	0		0		719
Total liabilities	450		450		$ 13,201
Results
Sales	0	$ 26,946	5,952	$ 53,306
Net income	0	3,624	565	6,393
Income (loss) after taxes and noncontrolling interests	2	2,046	(1,115)	3,604
(Loss) Gain on sale of discontinued operations after taxes and noncontrolling interests	$ (99)	$ 0	$ 57,059	$ 23