Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2015	Jun. 30, 2015
Current assets:
Cash and cash equivalents	$ 134.7	$ 64.1
Marketable investment securities	84.6	80.7
Prepaid expenses	9.7	12.5
Inventory	29.1	25.1
Trade accounts receivable, less allowance for doubtful accounts of $6.2 December 31, 2015 and $7.6 June 30, 2015	84.3	85.8
Deferred taxes		13.5
Prepaid taxes	28.0
Other receivables	5.1	1.9
Total current assets	375.5	283.6
Property, plant and equipment, net	61.7	67.2
Long-term marketable investment securities	66.2	40.6
Intangibles, net	186.3	192.6
Goodwill	177.0	177.2
Other assets	5.0	5.0
Total assets	871.7	766.2
Current liabilities:
Accounts payable	16.5	21.1
Accrued liabilities	47.9	46.1
Deferred revenue	1.5	1.5
Total current liabilities	65.9	68.7
Unrecognized tax benefits	27.9	26.4
Other long-term liabilities	6.8	8.8
Long-term deferred taxes	0.3	0.2
Total liabilities	$ 100.9	$ 104.1
Commitments and contingencies
Stockholders' equity:
Common stock, 71.6 and 68.9 shares outstanding at December 31, 2015 and June 30, 2015 respectively	$ 0.7	$ 0.7
Additional paid-in capital	847.8	745.4
Accumulated other comprehensive loss	(9.1)	(7.0)
Accumulated deficit	(68.6)	(77.0)
Total stockholders' equity	770.8	662.1
Total liabilities and stockholders' equity	$ 871.7	$ 766.2