XML 16 R48.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Leases - Additional Information (Detail) | 12 Months Ended
--- | ---
Jun. 30, 2014 Leases
Myriad RBM |
Leases [Line Items] |
Non-cancelable operating leases | 2
Myriad RBM | Minimum |
Leases [Line Items] |
Operating leases expiration period | 2017
Myriad RBM | Maximum |
Leases [Line Items] |
Operating leases expiration period | 2020
Administrative Functions | Minimum |
Leases [Line Items] |
Operating leases expiration period | 2013
Administrative Functions | Maximum |
Leases [Line Items] |
Operating leases expiration period | 2018
Information Technology Equipment |
Leases [Line Items] |
Non-cancelable operating leases | 2
Information Technology Equipment | Minimum |
Leases [Line Items] |
Operating leases expiration period | 2016
Salt Lake City, Utah |
Leases [Line Items] |
Non-cancelable operating leases | 5
Salt Lake City, Utah | Minimum |
Leases [Line Items] |
Operating leases expiration period | 2017
Salt Lake City, Utah | Maximum |
Leases [Line Items] |
Operating leases expiration period | 2025
Munich, Germany |
Leases [Line Items] |
Cancelable operating leases | 1
Lease term | 5 years
South San Francisco, California |
Leases [Line Items] |
Non-cancelable operating leases | 1
Operating leases expiration period | 2017

X
- Details
Name: | mygn_LeasesLineItems
Namespace Prefix: | mygn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Non Cancelable Lease Expiration Year + References No definition available. + Details
Name: | mygn_NonCancelableLeaseExpirationYear
Namespace Prefix: | mygn_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Cancelable Operating Leases + References No definition available. + Details
Name: | mygn_NumberOfCancelableOperatingLeases
Namespace Prefix: | mygn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Non Cancelable Operating Leases + References No definition available. + Details
Name: | mygn_NumberOfNonCancelableOperatingLeases
Namespace Prefix: | mygn_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Term of the lessee's leasing arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LesseeLeasingArrangementsOperatingLeasesTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration