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Restructuring and Acquisition Related Expenses - Additional Information (Details) (USD $)
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3 Months Ended | |
|---|---|---|
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Mar. 31, 2014
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Mar. 31, 2013
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|
| Restructuring Cost and Reserve | ||
| Restructuring and acquisition related expenses | $ 3,321,000 | $ 1,505,000 |
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Restructuring expenses
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| Restructuring Cost and Reserve | ||
| Restructuring and acquisition related expenses | 3,100,000 | 400,000 |
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Acquisition-related expenses
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||
| Restructuring Cost and Reserve | ||
| Restructuring and acquisition related expenses | 200,000 | 1,100,000 |
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Maximum | Keystone Specialty
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||
| Restructuring Cost and Reserve | ||
| Expected additional charges | (5,000,000) | |
|
Maximum | All 2013 Acquisitions
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| Restructuring Cost and Reserve | ||
| Expected additional charges | $ (1,000,000) | |