|
Pension Benefits and Other Postretirement Benefit Plans (Additional Information) (Details) (USD $)
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3 Months Ended | ||
|---|---|---|---|
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Mar. 31, 2015
|
Mar. 31, 2014
|
Jan. 22, 2015
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|
| Pension and Other Postretirement Benefits Disclosure [Line Items] | |||
| Employer contributions | $ 0 | $ 800,000 | |
| Pension Benefits [Member] | |||
| Pension and Other Postretirement Benefits Disclosure [Line Items] | |||
| Settlement charge | 110,000 | ||
| Pension Benefits [Member] | Former President and Chief Executive Officer [Member] | |||
| Pension and Other Postretirement Benefits Disclosure [Line Items] | |||
| Benefit payments | 800,000 | ||
| Settlement charge | 100,000 | ||
| Pension Benefits [Member] | Arlon [Member] | |||
| Pension and Other Postretirement Benefits Disclosure [Line Items] | |||
| Benefit obligation assumed | $ 2,000,000 | ||