Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 121,139	$ 130,450
Accounts receivable, net of allowance for doubtful accounts of $1,478 and $1,190 at June 30, 2018 and 2017, respectively	212,423	93,115
Inventories	63,867	47,410
Prepaid expenses and other current assets	30,484	27,867
Total current assets	427,913	298,842
Property and equipment, net	78,519	30,240
Intangible assets, net	77,092	25,337
Goodwill	139,082	80,216
Other assets	47,642	25,065
Total assets	770,248	459,700
Current liabilities:
Current portion of long-term debt	9,007	12,280
Accounts payable	75,689	31,587
Accrued compensation and benefits	50,351	42,662
Accrued warranty	12,807	10,584
Deferred revenue	130,865	79,048
Other accrued liabilities	81,153	37,044
Total current liabilities	359,872	213,205
Deferred revenue, less current portion	43,660	25,293
Long-term debt, less current portion	188,749	80,422
Deferred income taxes	6,135	6,576
Other long-term liabilities	59,100	8,526
Commitments and contingencies (Note 9)
Stockholders’ equity:
Convertible preferred stock, $.001 par value, issuable in series, 2,000 shares authorized; none issued
Common stock, $.001 par value, 750,000 shares authorized; 116,124 shares issued and outstanding at June 30, 2018 and 110,925 shares issued and outstanding at June 30, 2017	116	111
Additional paid-in-capital	942,397	909,155
Accumulated other comprehensive loss	(1,703)	(2,302)
Accumulated deficit	(828,078)	(781,286)
Total stockholders’ equity	112,732	125,678
Total liabilities and stockholders’ equity	$ 770,248	$ 459,700