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Estimated Fair Values of Assets Acquired and Liabilities Assumed for Maurer Acquisition (Details) (USD $)
In Thousands, unless otherwise specified
Oct. 31, 2012
Jul. 22, 2011
Maurer
Jul. 22, 2011
Maurer
as initially reported
Jul. 22, 2011
Maurer
Measurement Period Adjustments
Business Acquisition [Line Items]        
Current assets $ 4,011 $ 1,005 $ 1,673 $ (668)
Property, plant and equipment 268 628 628 0
Goodwill 18,931 1,220 870 350
Other intangibles 5,620 922 922 0
Current liabilities 1,836 (511) (246) (265)
Net assets acquired and liabilities assumed $ 27,134 $ 3,264 $ 3,847 $ (583)