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v2.4.0.8

Summary of Significant Accounting Policies - Additional Information (Details) | 6 Months Ended
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Jun. 28, 2014
Minimum |
Disclosure Summary Of Significant Accounting Policies Details2 [Line Items] |
Products warranty period | 1 year
Maximum |
Disclosure Summary Of Significant Accounting Policies Details2 [Line Items] |
Products warranty period | 2 years

X
- Details
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Namespace Prefix: | irix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Products warranty period. + References No definition available. + Details
Name: | irix_ProductsWarrantyPeriod
Namespace Prefix: | irix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration