Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2016	Jun. 30, 2016
Current assets:
Cash and cash equivalents	$ 108.1	$ 68.5
Marketable investment securities	54.4	90.5
Prepaid expenses	12.1	18.4
Inventory	51.3	38.3
Trade accounts receivable, less allowance for doubtful accounts of $7.8 December 31, 2016 and $6.8 June 30, 2016	107.6	91.7
Prepaid taxes	4.2	3.8
Other receivables	3.9	3.3
Total current assets	341.6	314.5
Property, plant and equipment, net	54.7	58.3
Long-term marketable investment securities	55.5	79.9
Intangibles, net	506.4	227.5
Goodwill	315.4	195.3
Other assets	2.5	5.0
Total assets	1,276.1	880.5
Current liabilities:
Accounts payable	22.9	21.1
Accrued liabilities	57.7	49.5
Deferred revenue	2.2	1.7
Total current liabilities	82.8	72.3
Unrecognized tax benefits	24.6	24.0
Other long-term liabilities	8.8	7.8
Contingent consideration	137.1	10.4
Long-term debt	204.0
Long-term deferred taxes	86.1	17.9
Total liabilities	543.4	132.4
Commitments and contingencies
Stockholders' equity:
Common stock, 68.1 and 69.1 shares outstanding at December 31, 2016 and June 30, 2016 respectively	0.7	0.7
Additional paid-in capital	831.8	830.1
Accumulated other comprehensive loss	(13.9)	(9.5)
Accumulated deficit	(85.7)	(73.2)
Total Myriad Genetics, Inc. stockholders' equity	732.9	748.1
Non-Controlling Interest	(0.2)
Total stockholders' equity	732.7	748.1
Total liabilities and stockholders' equity	$ 1,276.1	$ 880.5

Prepaid expense excluding prepaid taxes current.

No definition available.

Name:	mygn_PrepaidExpenseExcludingPrepaidTaxesCurrent
Namespace Prefix:	mygn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).