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Estimated Fair Values of Assets Acquired and Liabilities Assumed for Maurer Acquisition (Detail) (Maurer, USD $)
In Thousands, unless otherwise specified
Jul. 22, 2011
Business Acquisition [Line Items]  
Current assets $ 1,005
Property, plant and equipment 628
Goodwill 1,166
Other intangibles 922
Current liabilities (456)
Net assets acquired and liabilities assumed 3,265
as initially reported
 
Business Acquisition [Line Items]  
Current assets 1,673
Property, plant and equipment 628
Goodwill 870
Other intangibles 922
Current liabilities (246)
Net assets acquired and liabilities assumed 3,847
Measurement Period Adjustments
 
Business Acquisition [Line Items]  
Current assets (668)
Goodwill 296
Current liabilities (210)
Net assets acquired and liabilities assumed $ (582)