CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Cash flows from operating activities:      
Net income $ 107,437 $ 68,969 $ 123,504
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation of property, plant and equipment 8,217 8,752 6,266
Amortization of prepaid land leases 270 261 281
Amortization of intangible assets 801 623 818
Allowance for doubtful accounts 8,033 9,760 10,918
Loss (gain) on disposal of long-lived assets (2,053) 596 224
Impairment loss on property, plant and equipment 0 361 0
Goodwill impairment charge 0 11,211 0
Share of net (income) loss of equity investees 1,571 (3,607) (7,834)
Gains on deconsolidation of the Company's interests in HollyCon 0 (14,514) 0
Gain on disposal of a subsidiary 0 (628) 0
Share-based compensation expenses 1,207 464 3,860
Deferred income tax (benefit) expenses (1,525) 2,133 (462)
Acquisition-related consideration fair value adjustments 0 0 (1,745)
Accretion of convertible bond 230 230 230
Fair value adjustments of a bifurcated derivative (75) 89 93
Changes in operating assets and liabilities:      
Accounts receivable (28,283) (23,441) (16,413)
Costs and estimated earnings in excess of billings 1,817 21,945 (36,971)
Inventories (11,429) (10,701) (4,607)
Advances to suppliers 232 881 2,497
Other receivables (9,973) (6,767) (2,481)
Deposits and other assets 19,389 (12,698) (674)
Due from related parties 1,286 (6,819) 8,226
Accounts payable 4,113 23,563 8,272
Deferred revenue 28,150 28,168 (47,637)
Accruals and other payables (3,163) (21,013) 5,015
Due to related parties 3,023 801 351
Income tax payable (1,124) (1,779) (4,558)
Other tax payables (2,959) (7,027) (436)
Net cash provided by operating activities 125,192 69,813 46,737
Cash flows from investing activities:      
Time deposits placed with banks (179,194) (154,810) (107,118)
Purchases of property, plant and equipment (2,304) (3,711) (7,887)
Maturity of time deposits 137,839 89,262 112,013
Proceeds from disposal of property, plant and equipment 376 64 74
Investment of equity/cost investees (5,882) (2,654) 0
Net cash reduced upon deconsolidation of a subsidiary 0 (16,140) 0
Acquisition of a subsidiary, net of cash acquired (583) (1,652) 0
Return of investment from a cost investee 0 88 0
Proceeds from sale of shares of a subsidiary 0 0 464
Net cash used in investing activities (49,748) (89,553) (2,454)
Cash flows from financing activities:      
Proceeds from short-term bank loans 5,942 10,061 4,138
Repayments of short-term bank loans (11,334) (4,932) (17,020)
Proceeds from long-term bank loans 984 461 2,606
Repayments of long-term bank loans (548) (7,350) (9,681)
Proceeds from exercise of options 0 6,322 5,441
Payment of dividends (7,241) (11,975) 0
Proceeds from issuance of shares of a subsidiary 0 0 7,736
Net cash used in financing activities (12,197) (7,413) (6,780)
Effect of foreign exchange rate changes 4,788 (4,302) (16,242)
Net increase (decrease) in cash and cash equivalents 68,035 (31,455) 21,261
Cash and cash equivalents, beginning of year 197,640 229,095 207,834
Cash and cash equivalents, end of year 265,675 197,640 229,095
Supplementary disclosures of cash flow information:      
Interest 462 727 1,048
Income tax 24,896 13,918 19,099
Supplementary disclosures of significant non-cash transactions:      
Acquisition of property, plant and equipment included in construction costs payable and accrued liabilities 4,374 7,266 4,439
Issuance of ordinary shares as purchase consideration in connection with the acquisition of Bond Group $ 0 $ 0 $ 13,336