Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2015	Jun. 30, 2014
Current assets:
Cash and cash equivalents	$ 64.1	$ 64.8
Marketable investment securities	80.7	121.6
Prepaid expenses	12.5	6.9
Inventory	25.1	23.9
Trade accounts receivable, less allowance for doubtful accounts of $7.6 in 2015 and $9.0 in 2014	85.8	81.9
Deferred taxes	13.5	6.5
Prepaid taxes		13.6
Other receivables	1.9	3.2
Total current assets	283.6	322.4
Property, plant and equipment, net	67.2	34.6
Long-term marketable investment securities	40.6	84.1
Long-term deferred taxes		3.2
Intangibles, net	192.6	205.3
Goodwill	177.2	169.2
Other assets	5.0	5.0
Total assets	766.2	823.8
Current liabilities:
Accounts payable	21.1	23.1
Accrued liabilities	46.1	56.4
Deferred revenue	1.5	1.1
Total current liabilities	68.7	80.6
Unrecognized tax benefits	26.4	24.2
Other long-term liabilities	8.8	0.0
Long-term deferred taxes	0.2
Total liabilities	$ 104.1	$ 104.8
Commitments and contingencies
Stockholders' equity:
Common stock, 68.9 and 73.5 shares outstanding at June 30, 2015 and 2014 respectively	$ 0.7	$ 0.7
Additional paid-in capital	745.4	717.8
Accumulated other comprehensive loss	(7.0)	(1.5)
Retained earnings (accumulated deficit)	(77.0)	2.0
Total stockholders' equity	662.1	719.0
Total liabilities and stockholders' equity	$ 766.2	$ 823.8