CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Operating Activities:
Net income (loss)	$ 4,410	$ (21,957)	$ (7,387)	$ (24,364)
Net income from discontinued operations	(5,380)	(56,279)	(8,364)	(10,985)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	10,642	11,750	34,133	35,774
Share-based compensation expense	2,603	395	5,100	3,586
Change in fair value of contingent consideration	(6)	(2,519)	446	(4,713)
Gain (loss) on disposal of assets			(1,474)	405
Deferred income taxes	(10,013)	17,660	(10,198)	(10,813)
Changes in operating assets and liabilities, net of effects from acquisitions:	(35,026)	5,928	(44,047)	(34,180)
NET CASH USED IN CONTINUING OPERATING ACTIVITIES	(32,770)	(45,022)	(31,791)	(45,290)
NET CASH PROVIDED BY OPERATING ACTIVITIES FROM DISCONTINUED OPERATIONS	8,364	16,702	14,497	28,776
NET CASH USED IN OPERATING ACTIVITIES	(24,406)	(28,320)	(17,294)	(16,514)
Investing Activities:
Acquisition of businesses, net of cash acquired			(9,534)	(12,924)
Purchases of property, plant and equipment	(9,334)	(10,305)	(21,120)	(25,474)
Purchases of marketable securities		(189)		(18,944)
Proceeds from sales or maturities of marketable securities		6,441		18,944
Purchase of non-marketable debt and equity securities	(222)		(1,472)	(2,200)
Proceeds from the sale of fixed assets			2,400
NET CASH USED IN INVESTING ACTIVITIES FROM CONTINUING OPERATIONS	(9,556)	(4,053)	(29,726)	(40,598)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES FROM DISCONTINUED OPERATIONS	133,795	(16)	133,795	1,217
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	124,239	(4,069)	104,069	(39,381)
Financing Activities:
Proceeds from short-term borrowings	79,700	23,800	198,820	93,080
Principal payments on short-term borrowings	(156,700)	(169,800)	(253,820)	(229,080)
Principal payments on long-term debt		(104)		(320)
Proceeds from long-term borrowings in consolidated VIE	28,378		28,378
Deferred financing fees in consolidated VIE	(2,180)		(2,180)
Stock issued under employee stock purchase plan	(88)	279	710	1,712
Purchase of common stock	(31)	(94)	(2,355)	(2,449)
Dividends paid			(3,676)	(3,679)
Contingent consideration payments related to acquisitions of businesses			(656)	(1,988)
Net change in restricted cash	(12,885)	72,597	(18,626)	71,084
NET CASH USED IN FINANCING ACTIVITIES	(63,806)	(73,322)	(53,405)	(71,640)
Effect of exchange rates on cash	1,242	4,958	175	(2,528)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	37,269	(100,753)	33,545	(130,063)
Cash and cash equivalents at the beginning of the period	56,419	167,817	60,143	197,127
CASH AND CASH EQUIVALENTS AT THE END OF THE PERIOD	$ 93,688	$ 67,064	$ 93,688	67,064
Vocality
Supplemental disclosure of non-cash investing and financing activities:
Liability incurred to acquire, net				$ 1,035