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Acquisitions And Dispositions Acquisitions And Dispositions (Purchase Price Allocation) (Details) (G.A.M. [Member], USD $)
In Thousands, unless otherwise specified
Aug. 31, 2011
G.A.M. [Member]
 
Business Acquisition [Line Items]  
Accounts receivable $ 16,758
Inventories 21,574
Other current assets 146
Property, plant and equipment 8,229
Goodwill 5,047
Intangible assets 4,708
Other assets 1,566
Liabilities (9,642)
Net assets acquired $ 48,386