CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating Activities:
Net loss	$ (2,868)	$ (5,414)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	13,444	8,948
Share-based compensation expense	2,314	2,118
Change in fair value of contingent consideration	(1,314)	809
Changes in operating assets and liabilities net of effects from acquisitions	(4,478)	(56,048)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	7,098	(49,587)
Investing Activities:
Acquisition of businesses, net of cash acquired	(12,924)	(29,718)
Purchases of property, plant and equipment	(6,674)	(10,360)
Purchases of marketable securities	(6,246)	(7,541)
Proceeds from sales or maturities of marketable securities	6,246	14,176
Proceeds from sale of assets	1,233
NET CASH USED IN INVESTING ACTIVITIES	(18,365)	(33,443)
Financing Activities:
Proceeds from short-term borrowings	36,800	72,600
Principal payments on short-term borrowings	(35,000)	(22,600)
Principal payments on long-term debt	(107)	(131)
Purchase of common stock	(2,314)	(1,658)
Dividends paid	(20)
Contingent consideration payments related to acquisitions of businesses	(1,988)	(1,679)
Net change in restricted cash	(4,226)	(2,412)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	(6,855)	44,120
Effect of exchange rates on cash	(12,666)	(8,203)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(30,788)	(47,113)
Cash and cash equivalents at the beginning of the period	197,127	218,476
CASH AND CASH EQUIVALENTS AT THE END OF THE PERIOD	166,339	171,363
Vocality
Operating Activities:
Net loss	(900)
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire, net	1,093
TeraLogics
Operating Activities:
Net loss	(100)	(1,500)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Change in fair value of contingent consideration	2,900
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire, net		5,098
H4 Global
Operating Activities:
Net loss	$ 200
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire, net		$ 1,568