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Commitment and Contingencies - Additional Information (Detail) - 12 months ended Jun. 30, 2015 - Leases	Total
Myriad RBM
Commitments and Contingencies [Line Items]
Non-cancelable operating leases	1
Operating leases expiration period	2020
Administrative Functions | Minimum
Commitments and Contingencies [Line Items]
Operating leases expiration period	2015
Administrative Functions | Maximum
Commitments and Contingencies [Line Items]
Operating leases expiration period	2020
Information Technology Equipment
Commitments and Contingencies [Line Items]
Non-cancelable operating leases	2
Information Technology Equipment | Minimum
Commitments and Contingencies [Line Items]
Operating leases expiration period	2016
Salt Lake City, Utah
Commitments and Contingencies [Line Items]
Non-cancelable operating leases	5
Salt Lake City, Utah | Minimum
Commitments and Contingencies [Line Items]
Operating leases expiration period	2017
Salt Lake City, Utah | Maximum
Commitments and Contingencies [Line Items]
Operating leases expiration period	2025
Munich, Germany
Commitments and Contingencies [Line Items]
Cancelable operating leases	1
Cancelable operating leases expiration period	2018
South San Francisco, California
Commitments and Contingencies [Line Items]
Non-cancelable operating leases	1
Operating leases expiration period	2016

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