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Accumulated Other Comprehensive Loss (Tables) | 12 Months Ended
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Dec. 31, 2016
Accumulated Other Comprehensive Loss [Abstract] |
Accumulated Other Comprehensive Loss [Table Text Block] |
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﻿ |  | 2016 |  | 2015
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﻿Pension and post-retirement benefit plan adjustments | $ | (4,439) | $ | (3,069)
﻿Unrealized loss on interest rate swap contracts |  | (204) |  | (121)
﻿Foreign currency translation adjustments |  | (20,646) |  | (14,750)
﻿ | $ | (25,289) | $ | (17,940)
﻿

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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