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Exit Activity Costs and Asset Impairments (Narrative) (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2015 USD ($) | Jun. 30, 2015 USD ($) product_line facility | Jun. 30, 2014 USD ($) | Dec. 31, 2014 facility
Restructuring Cost and Reserve [Line Items] |  |  |  |
Number of product lines eliminated | product_line |  | 3 |  |
Number of facilities closed | facility |  | 2 |  |
Number of facilities consolidated | facility |  |  |  | 2
Number of facilities sold | facility |  |  |  | 1
Asset impairment charges |  | $ 2,745,000 |  |
Exit activity costs |  | 766,000 | $ 1,158,000 |
Gain from sale leaseback | $ 7,379,000 | 6,799,000 |  |
SG&A |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Asset impairment charges |  | $ 4,054,000 | $ 554,000 |

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