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Business Acquisitions Purchase Price (Details) (Cleveland Roll Forming Environmental Division, Inc. d/b/a PECO [Member], USD $)
In Thousands, unless otherwise specified
Apr. 30, 2014
Cleveland Roll Forming Environmental Division, Inc. d/b/a PECO [Member]
 
Business Acquisition [Line Items]  
Current assets $ 2,365
Property, plant and equipment 281
Current liabilities assumed (2,035)
Total identifiable net assets acquired 611
Goodwill and other intangible assets 7,468
Total assets acquired $ 8,079