Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows (used in) provided by operating activities:
Net income (loss)	$ (3.7)	$ 69.7
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Share-based compensation expense	9.9	10.5
Depreciation and amortization	30.9	28.7
Change in fair value of contingent consideration, net	0.5	1.1
Amortization of deferred financing costs	1.0	1.0
Deferred income taxes	1.9	(1.7)
Other	0.6	3.5
Changes in operating assets and liabilities:
Accounts receivable	93.7	42.1
Inventories	(50.1)	(99.9)
Prepaid expenses and other assets	(16.6)	(10.0)
Accounts payable	(14.7)	20.1
Accrued expenses and other liabilities	(56.5)	(40.0)
Accrued compensation	(32.2)	(29.4)
Contract liabilities	(2.0)	9.4
Net cash (used in) provided by operating activities:	(37.3)	5.1
Cash flows used in investing activities:
Purchases of property, plant and equipment	(32.2)	(56.1)
Net cash used in investing activities:	(32.2)	(56.1)
Cash flows used in financing activities:
Purchases of treasury stock	(57.5)	0.0
Principal payments on term loan facility	(8.5)	(5.6)
Principal payments on convertible senior notes	0.0	(10.6)
Proceeds from share-based compensation activity	0.5	6.9
Taxes paid for share-based compensation activity	(5.0)	(12.2)
Contingent consideration payments	0.0	(0.7)
Net cash used in financing activities:	(70.5)	(22.2)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(0.3)	(0.3)
Net change in cash, cash equivalents and restricted cash	(140.3)	(73.5)
Cash, cash equivalents and restricted cash at beginning of period	576.3	621.5
Cash, cash equivalents and restricted cash at end of period	436.0	548.0
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	11.7	12.4
Cash paid during the period for income taxes	4.8	1.5
Supplemental information on non-cash investing and financing activities:
Purchases of property, plant and equipment unpaid at period end	13.3	32.5
Purchases of treasury stock	1.3	0.0
Reconciliation of cash and cash equivalents and restricted cash at March 31, 2022 and December 31, 2021:
Cash and cash equivalents	435.8
Restricted cash	0.2
Total	$ 436.0	$ 548.0