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Acquisition (Details) (Airinmar, USD $) In Thousands, unless otherwise specified | Nov. 30, 2011 Y | Oct. 11, 2011
--- | --- | ---
Airinmar |  |
Acquisition |  |
Estimated purchase consideration |  | $ 43,500
Cash consideration paid |  | 23,200
Potential earn-out payment |  | 20,300
Period over which EBITDA levels will be measured (in years) | 2 |
Estimated liability of the acquisition date fair value of the earn-out | 20,300 |
Preliminary purchase price allocation |  |
Cash | 3,700 |
Accounts receivable | 8,000 |
Prepaid expenses | 600 |
Property, plant and equipment | 600 |
Goodwill and identified intangibles | 42,400 |
Accounts payable | (6,700) |
Accrued liabilities | $ (25,400) |

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