Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows provided by (used in) operating activities:
Net loss	$ (35.6)	$ 45.2
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Share-based compensation expense	14.9	11.7
Depreciation and amortization	55.1	24.7
Amortization of deferred financing costs	1.5	0.0
Deferred income taxes	(1.3)	8.5
Change in fair value of contingent consideration, net	5.5	1.7
Other	2.9	1.2
Changes in operating assets and liabilities:
Accounts receivable	44.6	(46.2)
Inventories	(26.1)	3.4
Prepaid expenses and other assets	(44.9)	(9.3)
Accounts payable	42.6	(4.4)
Accrued expenses	6.9	5.6
Accrued compensation	(13.5)	(8.6)
Deferred revenue	16.4	0.1
Net cash provided by operating activities:	69.0	33.6
Cash flows used in investing activities:
Purchases of property, plant and equipment and other	(35.5)	(25.2)
Milestone payment from prior asset acquisition	(10.0)	0.0
Proceeds from sale of assets	0.0	2.6
Net cash used in investing activities:	(45.5)	(22.6)
Cash flows provided by (used in) financing activities:
Proceeds from revolving credit facility	130.0	0.0
Principal payments on revolving credit facility	(80.0)	0.0
Principal payments on term loan facility	(5.6)	0.0
Issuances of stock under share-based benefit plans	4.6	8.5
Taxes paid on behalf of employees for equity activity	(6.3)	(6.0)
Contingent consideration payments	(1.0)	(1.3)
Purchase of treasury stock	0.0	(0.1)
Net cash provided by financing activities:	41.7	1.1
Effect of exchange rate changes on cash, cash equivalents and restricted cash	0.0	(0.1)
Net increase in cash, cash equivalents and restricted cash	65.2	12.0
Cash, cash equivalents and restricted cash at beginning of period	112.4	179.3
Cash, cash equivalents and restricted cash at end of period	$ 177.6	$ 191.3