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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