Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Jun. 30, 2017
Current assets:
Cash and cash equivalents	$ 26,074	$ 41,637
Accounts receivable, net of allowance for doubtful accounts of $55 and $83 at September 30, 2017 and June 30, 2017, respectively	89,037	76,341
Unbilled receivables and costs in excess of billings	32,413	37,332
Inventory	93,274	81,071
Prepaid income taxes	2,085	1,434
Prepaid expenses and other current assets	9,114	8,381
Total current assets	251,997	246,196
Property and equipment, net	51,603	51,643
Estimated fair value of goodwill	384,200	380,846
Intangible assets, net	126,501	129,037
Other non-current assets	8,291	8,023
Total assets	822,592	815,745
Current liabilities:
Accounts payable	42,225	27,485
Accrued expenses	10,639	20,594
Accrued compensation	16,603	18,406
Deferred revenues and customer advances	5,849	6,360
Total current liabilities	75,316	72,845
Deferred income taxes	650	4,856
Income taxes payable	855	855
Other non-current liabilities	11,503	11,772
Total liabilities	88,324	90,328
Commitments and contingencies (Note M)
Shareholders' equity:
Preferred stock, $0.01 par value; 1,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.01 par value; 85,000,000 shares authorized; 46,735,814 and 46,303,075 shares issued and outstanding at September 30, 2017 and June 30, 2017, respectively	467	463
Additional paid-in capital	575,737	584,795
Retained earnings	157,038	139,085
Accumulated other comprehensive income	1,026	1,074
Total shareholders' equity	734,268	725,417
Total liabilities and shareholders' equity	$ 822,592	$ 815,745