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Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2017
Other Comprehensive Income (Loss) [Abstract] |
Schedule Of Tax Effects Of The Components Of Other Comprehensive Income (Loss) |
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﻿ | Three Months Ended |  | Three Months Ended
﻿ | March 31, 2017 |  | March 31, 2016
﻿(in thousands) | Before-Tax Amount |  | Tax (Expense) Benefit |  | Net-of-Tax Amount |  | Before-Tax Amount |  | Tax (Expense) Benefit |  | Net-of-Tax Amount
﻿Other comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Defined benefit pension plan adjustments | $ | 455 |  | $ | (187) |  | $ | 268 |  | $ | 427 |  | $ | (180) |  | $ | 247
﻿Foreign currency translation adjustments |  | (92) |  |  | 38 |  |  | (54) |  |  | 1,604 |  |  | (674) |  |  | 930
﻿Unrealized (loss) gain in fair value of investments |  | (36) |  |  | 15 |  |  | (21) |  |  | 13 |  |  | (5) |  |  | 8
﻿Unrealized loss in fair value of interest rate swap |  | — |  |  | — |  |  | — |  |  | (62) |  |  | 27 |  |  | (35)
﻿Total other comprehensive income | $ | 327 |  | $ | (134) |  | $ | 193 |  | $ | 1,982 |  | $ | (832) |  | $ | 1,150
﻿
Schedule Of Changes In AOCI Balances By Component (After-Tax) | The changes in AOCI balances by component (after tax) for the three months ended March 31, 2017 and 2016 are as follows: ﻿ ﻿
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﻿ | Three Months Ended March 31, 2017
﻿ |  |  |  |  | Unrealized |  |
﻿ | Defined |  |  |  | Gain (Loss) in |  | Accumulated
﻿ | Benefit |  | Foreign |  | Fair Value of |  | Other
﻿ | Pension |  | Currency |  | Investments, |  | Comprehensive
﻿(in thousands) | Plan |  | Translation |  | Net |  | Loss
﻿Balance as of December 31, 2016 | $ | (40,865) |  | $ | (4,864) |  | $ | 316 |  | $ | (45,413)
﻿Other comprehensive loss before reclassifications |  | — |  |  | (54) |  |  | (21) |  |  | (75)
﻿Amounts reclassified from AOCI |  | 268 |  |  | — |  |  | — |  |  | 268
﻿Total other comprehensive income (loss) |  | 268 |  |  | (54) |  |  | (21) |  |  | 193
﻿Balance as of March 31, 2017 | $ | (40,597) |  | $ | (4,918) |  | $ | 295 |  | $ | (45,220)
﻿ ﻿
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﻿ | Three Months Ended March 31, 2016
﻿ |  |  |  |  | Unrealized |  | Unrealized |  |
﻿ | Defined |  |  |  | Gain in Fair |  | Gain (Loss) in |  | Accumulated
﻿ | Benefit |  | Foreign |  | Value of |  | Fair Value of |  | Other
﻿ | Pension |  | Currency |  | Investments, |  | Interest Rate |  | Comprehensive
﻿(in thousands) | Plan |  | Translation |  | Net |  | Swap, Net |  | Loss
﻿Balance as of December 31, 2015 | $ | (38,242) |  | $ | (4,603) |  | $ | 656 |  | $ | 24 |  | $ | (42,165)
﻿Other comprehensive gain (loss) before reclassifications |  | — |  |  | 930 |  |  | 8 |  |  | (35) |  |  | 903
﻿Amounts reclassified from AOCI |  | 247 |  |  | — |  |  | — |  |  | — |  |  | 247
﻿Total other comprehensive income (loss) |  | 247 |  |  | 930 |  |  | 8 |  |  | (35) |  |  | 1,150
﻿Balance as of March 31, 2016 | $ | (37,995) |  | $ | (3,673) |  | $ | 664 |  | $ | (11) |  | $ | (41,015)
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Schedule Of Items Reclassified Out Of AOCI And The Corresponding Location And Impact On The Condensed Consolidated Statement Of Operations |
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﻿ |  | Location in |  | Three Months Ended |
﻿ |  | Condensed Consolidated |  | March 31, |
﻿(in thousands) |  | Statements of Operations |  | 2017 |  | 2016 |
﻿Defined benefit pension plan adjustments |  | Various accounts(a) |  | $ | 455 |  | $ | 427 |
﻿Income tax benefit |  | Provision for income taxes |  |  | (187) |  |  | (180) |
﻿Net of tax |  |  |  | $ | 268 |  | $ | 247 |
____________________________________________________________________________________________________ (a)Defined benefit pension plan adjustments were reclassified primarily to cost of operations and general and administrative expenses.

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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=36458714&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e526-108580 + Details
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