CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Operating Activities:
Net income (loss)	$ (21,957)	$ 4,498	$ (24,364)	$ 9,228
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	12,418	12,966	38,154	31,943
Share-based compensation expense	469	2,828	3,826	6,916
Change in fair value of contingent consideration	(2,519)	(1,050)	(4,713)	(2,756)
Changes in operating assets and liabilities net of effects from acquisitions	(16,731)	23,892	(29,417)	(39,892)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	(28,320)	43,134	(16,514)	5,439
Investing Activities:
Acquisition of businesses, net of cash acquired			(12,924)	(243,483)
Purchases of property, plant and equipment	(10,321)	(4,508)	(25,490)	(25,883)
Purchases of marketable securities	(189)	(7,116)	(18,944)	(21,802)
Proceeds from sales or maturities of marketable securities	6,441	7,053	18,944	36,923
Proceeds from sale of fixed assets			1,233
Purchase of non-marketable debt and equity securities			(2,200)
NET CASH USED IN INVESTING ACTIVITIES	(4,069)	(4,571)	(39,381)	(254,245)
Financing Activities:
Proceeds from short-term borrowings	23,800	10,000	93,080	263,300
Principal payments on short-term borrowings	(169,800)	(20,000)	(229,080)	(93,300)
Proceeds from long-term borrowings				75,000
Principal payments on long-term debt	(104)	(124)	(320)	(378)
Purchase of common stock	(94)		(2,449)	(1,658)
Proceeds in connection with the Company's employee stock purchase plan	279		1,712
Dividends paid			(3,679)	(3,641)
Contingent consideration payments related to acquisitions of businesses			(1,988)	(1,679)
Net change in restricted cash	72,597	(602)	71,084	(4,116)
NET CASH PROVIDED BY FINANCING ACTIVITIES	(73,322)	(10,726)	(71,640)	233,528
Effect of exchange rates on cash	4,958	(13,206)	(2,528)	(29,759)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(100,753)	14,631	(130,063)	(45,037)
Cash and cash equivalents at the beginning of the period	167,817	158,808	197,127	218,476
CASH AND CASH EQUIVALENTS AT THE END OF THE PERIOD	67,064	173,439	67,064	173,439
Vocality
Operating Activities:
Net income (loss)	(600)		(2,100)
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire, net			1,035
GATR
Operating Activities:
Net income (loss)	1,600	(2,300)	(1,600)	(20,600)
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire, net				7,651
TeraLogics
Operating Activities:
Net income (loss)	(600)	(200)	(700)	(1,400)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Change in fair value of contingent consideration			3,200
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire, net				4,998
H4 Global
Operating Activities:
Net income (loss)	$ (200)	$ 100	$ (400)	100
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire, net				$ 952