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Commitments and Contingencies (Details Textual) |  |  |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended
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Mar. 29, 2016 claim | Mar. 24, 2016 claim | Mar. 11, 2016 claim | Jun. 05, 2015 motion | Mar. 10, 2015 patent | Mar. 18, 2014 USD ($) | Nov. 08, 2012 USD ($) | Jan. 11, 2012 reexamination_appeal claim | Jan. 02, 2008 Lawsuit | May 31, 2016 USD ($) reexamination_appeal | May 31, 2016 USD ($) Petition | May 31, 2015 USD ($) | May 31, 2014 USD ($)
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate rental costs under operating leases |  |  |  |  |  |  |  |  |  |  | $ 2,500,000 | $ 3,400,000 | $ 2,000,000
Judgment entered in favor |  |  |  |  |  | $ 74,900,000 |  |  |  |  |  |  |
Total future purchase obligations due through 2021 |  |  |  |  |  |  |  |  |  | $ 8,900,000 | 8,900,000 |  |
Purchase obligations thereafter |  |  |  |  |  |  |  |  |  | $ 0 | $ 0 |  |
Biolitec |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of lawsuits against biolitec previously settled for which seeking defense and indemnification | Lawsuit |  |  |  |  |  |  |  |  | 2 |  |  |  |
Partial judgment granted |  |  |  |  |  |  | $ 23,200,000 |  |  |  |  |  |
The Utah Action |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of petitions filed for reexamination of patents | Petition |  |  |  |  |  |  |  |  |  |  | 3 |  |
Number of claims rejected (claim) | claim | 20 | 8 | 6 |  |  |  |  | 40 |  |  |  |  |
Number of claims filed (claim) | claim |  |  |  |  |  |  |  | 41 |  |  |  |  |
Number of reexaminations (reexamination appeal) | reexamination_appeal |  |  |  |  |  |  |  | 3 |  |  |  |  |
Number of pending claims (claim) | claim |  | 10 | 10 |  |  |  |  |  |  |  |  |  |
Number of claims reversed (claim) | claim |  | 2 | 4 |  |  |  |  |  |  |  |  |  |
The Delaware Action |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of patents allegedly infringed (patent) |  |  |  | 2 | 3 |  |  |  |  |  |  |  |
Pending Litigation | The Utah Action |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of reexaminations (reexamination appeal) | reexamination_appeal |  |  |  |  |  |  |  |  |  | 2 |  |  |
C.R. Bard, Inc. | Pending Litigation | The Utah Action |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of reexaminations (reexamination appeal) | reexamination_appeal |  |  |  |  |  |  |  |  |  | 3 |  |  |

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