Commitments and Contingencies Commitments and Contingencies (Details) - application	2 Months Ended	3 Months Ended
Nov. 30, 2011	Sep. 26, 2015
Eltroxin
Loss Contingencies [Line Items]
Number of applications to certify a class action lawsuit	9
Number of applications dismissed	1
Number of applications consolidated	8
Number of applications remaining after consolidation	1
Tysabri Product Liability Lawsuit \| Perrigo Co PLC
Loss Contingencies [Line Items]
Percentage of losses and expenses to be paid		50.00%
Tysabri Product Liability Lawsuit \| Biogen
Loss Contingencies [Line Items]
Percentage of losses and expenses to be paid		50.00%

Loss Contingency, Percentage of Losses and Expenses to be Paid

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- Definition

Number of Applications to Certify Class Action Lawsuit

+ References

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- Definition

Number of Applications to Certify Class Action Lawsuit, Consolidated

+ References

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- Definition

Number of Applications to Certify Class Action Lawsuit Dismissed

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- Definition

Number of Applications to Certify Class Action Lawsuit, Number Remaining After Consolidation

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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