Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net loss		$ (12,433)	$ (2,740)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation		40,968	38,803
Amortization of intangible assets		28,938	60,364
Amortization of financing costs and original issue discount		1,876	5,338
Deferred taxes		(7,567)	(59,900)
Equity-based compensation	[1]	11,519	5,802
Hedge ineffectiveness and realized gain		678	4,823
Provision for doubtful accounts		991	684
Other non-cash activities, net		(920)	3,734
Change in operating assets and liabilities:
Accounts receivable		(33,546)	(300)
Unbilled and deferred revenue		31,855	18,635
Inventories		(768)	2,904
Other operating assets		3,962	(4,472)
Accounts payable and other operating liabilities		(837)	5,546
Net cash provided by operating activities		64,716	79,221
Cash flows from investing activities:
Purchase of property and equipment		(42,610)	(44,095)
Proceeds from sale of property and equipment		2,995	1,477
Business acquisitions, net of cash acquired		(49,333)	(44,743)
Other investing activities, net		1,270	(366)
Net cash used in investing activities		(87,678)	(87,727)
Cash flows from financing activities:
Repayments of capital lease obligations		(2,800)	(3,182)
Repayments of debt		(92,778)	(46,167)
Proceeds from receivables financing agreement, net of financing costs		84,557	55,000
Proceeds from revolving credit facility		10,000
Repurchase of common stock and distributions			(475)
Proceeds from issuance of common stock			99
Net cash (used in) provided by financing activities		(1,021)	5,275
Net change in cash and cash equivalents		(23,983)	(3,231)
Cash and cash equivalents, beginning of period		35,224	12,779
Cash and cash equivalents, end of period		$ 11,241	$ 9,548

[1] Represents equity-based compensation expense recognized for equity incentive plans outstanding, including $3,058 and $7,015 related to the IPO during the three and six months ended March 31, 2019, respectively.