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Acquisitions (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended | 3 Months Ended | 5 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2012 National Specialty Alloys, LLC | Jun. 30, 2012 McKey Perforated Products Co., Inc., | Jun. 30, 2012 Continental Alloys & Services, Inc. | Aug. 01, 2011 Continental Alloys & Services, Inc. Country Location | Jun. 30, 2012 2012 acquisitions
Acquisitions |  |  |  |  |  |  |  |  |
Number of locations of the acquiree entity |  |  |  |  |  |  |  | 12 |
Number of countries of the acquiree entity |  |  |  |  |  |  |  | 7 |
Net sales | $ 2,209.7 | $ 2,049.5 | $ 4,498.0 | $ 3,962.2 | $ 24.4 | $ 9.0 | $ 225.8 |  |
Total transaction value |  |  |  |  |  |  |  | 440.8 | 111.9
Assumed debt |  |  |  |  |  |  |  | $ 104.7 | $ 29.5

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