Income Taxes (Significant Components Of Deferred Tax Liabilities And Assets Table) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Goodwill and other intangibles	$ 19,324	$ 32,699
Pension and post-retirement liability	1,532	2,186
Warranty reserve	2,060	3,633
Deferred compensation	2,385	1,227
Contingent liabilities	1,669	2,336
Net operating loss / tax credit carryforwards	1,816	1,384
Other	1,442	2,190
Total deferred tax assets	30,228	45,655
Less: valuation allowance	(23,696)	(29,719)
Net deferred tax assets	6,532	15,936
Deferred tax liabilities:
Goodwill and other intangibles	(5,721)	(6,087)
Depreciation	(7,079)	(10,586)
Unremitted earnings of foreign subsidiaries	(1,220)	(7,932)
Inventories	(1,743)	(1,506)
Other	(513)	(1,196)
Total deferred tax liabilities	(16,276)	(27,307)
Net deferred tax liability	$ (9,744)	$ (11,371)