Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Mar. 31, 2018	Jun. 30, 2017
Current Assets:
Cash and cash equivalents	$ 283.4	$ 367.8
Accounts receivable, net of allowances of $2.6 at March 31, 2018 and June 30, 2017	258.2	255.2
Inventories	108.5	131.4
Prepaid expenses and other current assets	16.0	37.6
Total current assets	666.1	792.0
Property and equipment at cost, net of accumulated depreciation of $129.1 and $106.8 at March 31, 2018 and June 30, 2017, respectively	118.7	113.8
Goodwill	404.2	206.8
Acquired intangibles, net	209.4	101.0
Non-current other assets	45.3	53.1
Total assets	1,443.7	1,266.7
Current Liabilities:
Accounts payable	132.1	135.8
Accrued compensation	18.2	31.9
Income taxes payable	16.7	17.2
Acquisition-related liabilities	8.7	8.7
Other accrued liabilities	91.2	101.8
Current portion of long-term debt		15.0
Total current liabilities	266.9	310.4
Long-term debt, net of issuance costs		202.0
Convertible notes, net	446.5
Deferred tax liabilities	6.1
Other long-term liabilities	28.3	14.1
Total liabilities	747.8	526.5
Stockholders' Equity:
$0.001 par value; 120,000,000 shares authorized, 62,234,111 and 60,579,911 shares issued, and 34,594,235 and 34,638,435 shares outstanding, at March 31, 2018 and June 30, 2017, respectively	0.1	0.1
Additional paid-in capital	1,160.3	1,004.8
Treasury stock: 27,639,876 and 25,941,476 common treasury shares at March 31, 2018 and June 30, 2017, respectively, at cost	(1,073.9)	(980.3)
Accumulated other comprehensive income	1.5	1.5
Retained earnings	607.9	714.1
Total stockholders' equity	695.9	740.2
Liabilities and stockholders' equity	$ 1,443.7	$ 1,266.7

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).

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.