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Commitments and Contingencies (Details) - patent | Mar. 10, 2015 | Jan. 11, 2012
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C.R. Bard, Inc. |  |
Loss Contingencies [Line Items] |  |
Number of petitions filed for reexamination of patents |  | 3
Number of patents upheld over prior art references |  | 2
The Delaware Action |  |
Loss Contingencies [Line Items] |  |
Number of patents allegedly infringed upon | 3 |

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