XML 54 R58.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Business Segment Information - Net Operating Income (Loss) by Business Segment (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Income from Operations (loss) by business segment |  |  |  |
Net operating income | $ (3,356) | $ 4,251 | $ 3,289 | $ 12,283
Inter-segment Elimination [Member] |  |  |  |
Income from Operations (loss) by business segment |  |  |  |
Net operating income | (633) | (42) | (846) | (58)
Engineered Equipment Technology and Parts [Member] | Operating Segments [Member] |  |  |  |
Income from Operations (loss) by business segment |  |  |  |
Net operating income | 4,176 | 3,946 | 14,209 | 11,110
Met-Pro [Member] | Operating Segments [Member] |  |  |  |
Income from Operations (loss) by business segment |  |  |  |
Net operating income | (406) |  | (406) |
Contracting / Services [Member] | Operating Segments [Member] |  |  |  |
Income from Operations (loss) by business segment |  |  |  |
Net operating income | (2,187) | 836 | (1,268) | 2,520
Component Parts [Member] | Operating Segments [Member] |  |  |  |
Income from Operations (loss) by business segment |  |  |  |
Net operating income | 1,028 | 966 | 3,085 | 3,378
Corporate and other [Member] | Operating Segments [Member] |  |  |  |
Income from Operations (loss) by business segment |  |  |  |
Net operating income | $ (5,334) | $ (1,455) | $ (11,485) | $ (4,667)

X
- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
Name: | us-gaap_OperatingIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration