Consolidated Statements of Cash Flows $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)
OPERATING ACTIVITIES:
Net income (loss)	$ 41,704	$ (3,077)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization and other	34,323	17,813
Amortization of debt discount and deferred issuance costs	9,190	5,938
Amortization of debt discount and deferred issuance costs	3,355	4,129
Change in fair value of acquisition contingencies	745	0
Accretion of interest on deferred consideration	7,686	0
Amortization of inventory step-up to fair value	3,650	0
Change in deferred tax assets and liabilities		101
Loss on extinguishment of debt	8,262	0
Changes in assets and liabilities:
Accounts receivable	257	(16,582)
Inventories	155	2,751
Income taxes receivable	(6,802)	(1,123)
Prepaid expenses and other current and non-current assets	(13,526)	(667)
Accounts payable	633	2,128
Accrued payroll and related expenses	(24)	982
Other current and non-current liabilities	3,520	4,091
Net cash provided by operating activities:	93,128	16,484
INVESTING ACTIVITIES:
Acquisitions of property, equipment and intangibles	(22,875)	(12,767)
Acquisition of other businesses, net of cash acquired	0	(14,388)
Proceeds from sale of Summers Ridge Property	146,644	0
Net cash provided by (used for) investing activities:	123,769	(27,155)
FINANCING ACTIVITIES:
Proceeds from issuance of common stock	16,031	15,246
Payment of debt issuance costs	(513)	0
Payments on Revolving Credit Facility	(10,000)	0
Payments on lease obligation	(93)	(70)
Repurchases of common stock	(3,790)	(541)
Payments on acquisition contingent consideration	(6,294)	(498)
Payments of deferred consideration	(46,000)	0
Payments of Term Loan	(161,813)
Transaction costs related to debt exchange	2,002	0
Net cash (used for) provided by financing activities:	(214,474)	14,137
Effect of exchange rates on cash	185	20
Net increase in cash and cash equivalents	2,608	3,486
Cash and cash equivalents, beginning of period	36,086	169,508
Cash and cash equivalents, end of period	38,694
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING TRANSACTIONS:
Purchase of property, equipment and intangibles by incurring current liabilities	$ 1,650	$ 653
Reduction of other current liabilities upon issuance of restricted share units	0	903
Extinguishment of Convertible Senior Notes through issuance of common stock	$ 200,217	$ 0
Principal amount of Term Loan exchanged for Revolving Credit Facility	$ 83,188