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Acquisitions (Schedule Of Consideration Paid And Amounts Of Fair Value Of Assets Acquired And Liabilities Assumed) (Details) (USD $) In Thousands, unless otherwise specified | Nov. 30, 2013 | Aug. 31, 2013 | Nov. 30, 2012 | Aug. 16, 2013 Claude Laval Corporation [Member]
--- | --- | --- | --- | ---
Current assets |  |  |  | $ 8,656
Property and equipment |  |  |  | 7,867
Intangible assets |  |  |  | 13,600
Other long-term assets |  |  |  | 738
Current liabilities |  |  |  | (1,808)
Long-term debt |  |  |  | (1,400)
Other long-term liabilities |  |  |  | (5,500)
Total identifiable net assets acquired |  |  |  | 22,153
Goodwill | 37,193 | 37,414 | 30,114 | 6,854
Total |  |  |  | $ 29,007

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